diff --git a/Makefile b/Makefile
index a4f96dc..d999b6e 100644
--- a/Makefile
+++ b/Makefile
@@ -103,6 +103,7 @@ install-bin:
 	$(INSTALL_DATA) lib/nut.pm "$(DESTDIR)$(LIBDIR)/nut.pm"
 	$(INSTALL_DATA) lib/nvidia.pm "$(DESTDIR)$(LIBDIR)/nvidia.pm"
 	$(INSTALL_DATA) lib/pagespeed.pm "$(DESTDIR)$(LIBDIR)/pagespeed.pm"
+	$(INSTALL_DATA) lib/pgsql.pm "$(DESTDIR)$(LIBDIR)/pgsql.pm"
 	$(INSTALL_DATA) lib/phpapc.pm "$(DESTDIR)$(LIBDIR)/phpapc.pm"
 	$(INSTALL_DATA) lib/phpfpm.pm "$(DESTDIR)$(LIBDIR)/phpfpm.pm"
 	$(INSTALL_DATA) lib/port.pm "$(DESTDIR)$(LIBDIR)/port.pm"
diff --git a/lib/pgsql.pm b/lib/pgsql.pm
new file mode 100644
index 0000000..0cb634d
--- /dev/null
+++ b/lib/pgsql.pm
@@ -0,0 +1,1998 @@
+#
+# Monitorix - A lightweight system monitoring tool.
+#
+# Copyright (C) 2005-2020 by Jordi Sanfeliu <jordi@fibranet.cat>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+
+# For information on PostgreSQL statisitcs check:
+# <https://www.postgresql.org/docs/11/monitoring-stats.html>
+
+package pgsql;
+
+use strict;
+use warnings;
+use Monitorix;
+use RRDs;
+use DBI;
+use Exporter 'import';
+our @EXPORT = qw(pgsql_init pgsql_update pgsql_cgi);
+
+sub pgsql_init {
+	my $myself = (caller(0))[3];
+	my ($package, $config, $debug) = @_;
+	my $rrd = $config->{base_lib} . $package . ".rrd";
+	my $pgsql = $config->{pgsql};
+
+	my $info;
+	my @ds;
+	my @rra;
+	my @tmp;
+	my $n;
+	my $n2;
+
+	my @average;
+	my @min;
+	my @max;
+	my @last;
+
+	if(-e $rrd) {
+		$info = RRDs::info($rrd);
+		for my $key (keys %$info) {
+			if(index($key, 'ds[') == 0) {
+				if(index($key, '.type') != -1) {
+					push(@ds, substr($key, 3, index($key, ']') - 3));
+				}
+			}
+			if(index($key, 'rra[') == 0) {
+				if(index($key, '.rows') != -1) {
+					push(@rra, substr($key, 4, index($key, ']') - 4));
+				}
+			}
+		}
+		if(scalar(@ds) / 248 != scalar(my @pl = split(',', $pgsql->{list}))) {
+			logger("$myself: Detected size mismatch between 'list' (" . scalar(my @pl = split(',', $pgsql->{list})) . ") and $rrd (" . scalar(@ds) / 248 . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
+			rename($rrd, "$rrd.bak");
+		}
+		if(scalar(@rra) < 12 + (4 * $config->{max_historic_years})) {
+			logger("$myself: Detected size mismatch between 'max_historic_years' (" . $config->{max_historic_years} . ") and $rrd (" . ((scalar(@rra) -12) / 4) . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
+			rename($rrd, "$rrd.bak");
+		}
+	}
+
+	if(!(-e $rrd)) {
+		logger("Creating '$rrd' file.");
+		for($n = 1; $n <= $config->{max_historic_years}; $n++) {
+			push(@average, "RRA:AVERAGE:0.5:1440:" . (365 * $n));
+			push(@min, "RRA:MIN:0.5:1440:" . (365 * $n));
+			push(@max, "RRA:MAX:0.5:1440:" . (365 * $n));
+			push(@last, "RRA:LAST:0.5:1440:" . (365 * $n));
+		}
+		for($n = 0; $n < scalar(my @pl = split(',', $pgsql->{list})); $n++) {
+			push(@tmp, "DS:pgsql" . $n . "_uptime:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tsize:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tconns:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tactcon:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tidlcon:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tidxcon:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tixacon:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_trret:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_trfet:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_trins:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_trupd:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_trdel:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_txactcom:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_txactrlb:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tblkrea:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tblkhit:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tbgwchkt:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tbgwchkr:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tbgwbchk:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tbgwbcln:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tbgwmaxc:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tbgwbbac:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_tbgwball:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val01:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val02:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val03:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val04:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val05:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val06:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val07:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val08:GAUGE:120:0:U");
+			push(@tmp, "DS:pgsql" . $n . "_val09:GAUGE:120:0:U");
+			for($n2 = 0; $n2 < 9; $n2++) {
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_size:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_conns:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_actcon:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_idlcon:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_idxcon:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_ixacon:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_rret:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_rfet:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_rins:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_rupd:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_rdel:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_xactcom:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_xactrlb:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_blkrea:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_blkhit:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val01:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val02:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val03:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val04:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val05:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val06:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val07:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val08:GAUGE:120:0:U");
+				push(@tmp, "DS:pgsql" . $n . $n2 . "_val09:GAUGE:120:0:U");
+			}
+		}
+		eval {
+			RRDs::create($rrd,
+				"--step=60",
+				@tmp,
+				"RRA:AVERAGE:0.5:1:1440",
+				"RRA:AVERAGE:0.5:30:336",
+				"RRA:AVERAGE:0.5:60:744",
+				@average,
+				"RRA:MIN:0.5:1:1440",
+				"RRA:MIN:0.5:30:336",
+				"RRA:MIN:0.5:60:744",
+				@min,
+				"RRA:MAX:0.5:1:1440",
+				"RRA:MAX:0.5:30:336",
+				"RRA:MAX:0.5:60:744",
+				@max,
+				"RRA:LAST:0.5:1:1440",
+				"RRA:LAST:0.5:30:336",
+				"RRA:LAST:0.5:60:744",
+				@last,
+			);
+		};
+		my $err = RRDs::error;
+		if($@ || $err) {
+			logger("$@") unless !$@;
+			if($err) {
+				logger("ERROR: while creating $rrd: $err");
+				if($err eq "RRDs::error") {
+					logger("... is the RRDtool Perl package installed?");
+				}
+			}
+			return;
+		}
+	}
+
+	$config->{pgsql_hist} = ();
+	push(@{$config->{func_update}}, $package);
+	logger("$myself: Ok") if $debug;
+}
+
+sub pgsql_update {
+	my $myself = (caller(0))[3];
+	my ($package, $config, $debug) = @_;
+	my $rrd = $config->{base_lib} . $package . ".rrd";
+	my $pgsql = $config->{pgsql};
+
+	my $str;
+	my $n = 0;
+	my $n2 = 0;
+	my $rrdata = "N";
+
+	my $print_error = 0;
+	$print_error = 1 if $debug;
+
+	for($n = 0; $n < scalar(my @pl = split(',', $pgsql->{list})); $n++) {
+		my $pg = trim($pl[$n]);
+		my $host = $pgsql->{desc}->{$pg}->{host} || "";
+		my $port = $pgsql->{desc}->{$pg}->{port} || "";
+		my $user = $pgsql->{desc}->{$pg}->{username} || "";
+		my $pass = $pgsql->{desc}->{$pg}->{password} || "";
+		my $dbh;
+		$dbh = DBI->connect(
+			"DBI:Pg:host=$host;port=$port",
+			$user,
+			$pass,
+			{ PrintError => $print_error, }
+		) or logger("$myself: Cannot connect to PostgreSQL '$host:$port'.") and next;
+
+		# GLOBAL STATUS
+		my $uptime = 0;
+		my $tsize = 0;
+		my $tconns = 0;
+		my $tactcon = 0;
+		my $tidlcon = 0;
+		my $tidxcon = 0;
+		my $tixacon = 0;
+		my $trret = 0;
+		my $trfet = 0;
+		my $trins = 0;
+		my $trupd = 0;
+		my $trdel = 0;
+		my $txactcom = 0;
+		my $txactrlb = 0;
+		my $tblkrea = 0;
+		my $tblkhit = 0;
+		my $tbgwchkt = 0;
+		my $tbgwchkr = 0;
+		my $tbgwbchk = 0;
+		my $tbgwbcln = 0;
+		my $tbgwmaxc = 0;
+		my $tbgwbbac = 0;
+		my $tbgwball = 0;
+
+		my $sth;
+		my $result;
+		my $value;
+
+		$sth = $dbh->prepare("SELECT EXTRACT(epoch from now()-pg_postmaster_start_time())");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$uptime = @{$result}[0];
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(pg_database_size(datid)) AS total_size FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$tsize = @{$result}[0];
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(numbackends) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$tconns = @{$result}[0];
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'active'");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$tactcon = @{$result}[0];
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'idle'");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$tidlcon = @{$result}[0];
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'idle in transaction'");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$tidxcon = @{$result}[0];
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'idle in transaction (aborted)'");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$tixacon = @{$result}[0];
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(tup_returned) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "trret";
+		$trret = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$trret = 0 unless $trret != $value;
+		$trret /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(tup_fetched) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "trfet";
+		$trfet = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$trfet = 0 unless $trfet != $value;
+		$trfet /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(tup_inserted) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "trins";
+		$trins = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$trins = 0 unless $trins != $value;
+		$trins /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(tup_updated) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "trupd";
+		$trupd = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$trupd = 0 unless $trupd != $value;
+		$trupd /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(tup_deleted) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "trdel";
+		$trdel = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$trdel = 0 unless $trdel != $value;
+		$trdel /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(xact_commit) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "txactcom";
+		$txactcom = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$txactcom = 0 unless $txactcom != $value;
+		$txactcom /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(xact_rollback) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "txactrlb";
+		$txactrlb = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$txactrlb = 0 unless $txactrlb != $value;
+		$txactrlb /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(blks_read) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tblkrea";
+		$tblkrea = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tblkrea = 0 unless $tblkrea != $value;
+		$tblkrea /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(blks_hit) FROM pg_stat_database");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tblkhit";
+		$tblkhit = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tblkhit = 0 unless $tblkhit != $value;
+		$tblkhit /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(checkpoints_timed) FROM pg_stat_bgwriter");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tbgwchkt";
+		$tbgwchkt = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tbgwchkt = 0 unless $tbgwchkt != $value;
+		$tbgwchkt /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(checkpoints_req) FROM pg_stat_bgwriter");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tbgwchkr";
+		$tbgwchkr = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tbgwchkr = 0 unless $tbgwchkr != $value;
+		$tbgwchkr /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(buffers_checkpoint) FROM pg_stat_bgwriter");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tbgwbchk";
+		$tbgwbchk = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tbgwbchk = 0 unless $tbgwbchk != $value;
+		$tbgwbchk /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(buffers_clean) FROM pg_stat_bgwriter");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tbgwbcln";
+		$tbgwbcln = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tbgwbcln = 0 unless $tbgwbcln != $value;
+		$tbgwbcln /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(maxwritten_clean) FROM pg_stat_bgwriter");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tbgwmaxc";
+		$tbgwmaxc = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tbgwmaxc = 0 unless $tbgwmaxc != $value;
+		$tbgwmaxc /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(buffers_backend) FROM pg_stat_bgwriter");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tbgwbbac";
+		$tbgwbbac = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tbgwbbac = 0 unless $tbgwbbac != $value;
+		$tbgwbbac /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$sth = $dbh->prepare("SELECT SUM(buffers_alloc) FROM pg_stat_bgwriter");
+		$sth->execute;
+		$result = $sth->fetchrow_arrayref();
+		$value = @{$result}[0];
+		$str = $n . "tbgwball";
+		$tbgwball = $value - ($config->{pgsql_hist}->{$str} || 0);
+		$tbgwball = 0 unless $tbgwball != $value;
+		$tbgwball /= 60;
+		$config->{pgsql_hist}->{$str} = $value;
+		$sth->finish;
+
+		$rrdata .= ":$uptime:$tsize:$tconns:$tactcon:$tidlcon:$tidxcon:$tixacon:$trret:$trfet:$trins:$trupd:$trdel:$txactcom:$txactrlb:$tblkrea:$tblkhit:$tbgwchkt:$tbgwchkr:$tbgwbchk:$tbgwbcln:$tbgwmaxc:$tbgwbbac:$tbgwball:0:0:0:0:0:0:0:0:0";
+
+		# DATABASE-RELATED VALUES
+		my @dbl = split(',', $pgsql->{desc}->{$pg}->{db_list});
+		for($n2 = 0; $n2 < 9; $n2++) {
+			my $db = trim($dbl[$n2]);
+			my $size = 0;
+			my $conns = 0;
+			my $actcon = 0;
+			my $idlcon = 0;
+			my $idxcon = 0;
+			my $ixacon = 0;
+			my $rret = 0;
+			my $rfet = 0;
+			my $rins = 0;
+			my $rupd = 0;
+			my $rdel = 0;
+			my $xactcom = 0;
+			my $xactrlb = 0;
+			my $blkrea = 0;
+			my $blkhit = 0;
+
+			# check if the database exists
+			if($db) {
+				$sth = $dbh->prepare("SELECT 1 FROM pg_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				my $exist = @{$result}[0];
+				$sth->finish;
+				if(!$exist) {
+					logger("ERROR: database '$db' does not exist!");
+					$db = "";
+				}
+			}
+
+			if($db) {
+				$sth = $dbh->prepare("SELECT pg_database_size('$db')");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$size = @{$result}[0];
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT numbackends FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$conns = @{$result}[0];
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'active' AND datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$actcon = @{$result}[0];
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'idle' AND datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$idlcon = @{$result}[0];
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'idle in transaction' AND datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$idxcon = @{$result}[0];
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT COUNT(1) FROM pg_stat_activity WHERE state = 'idle in transaction (aborted)' AND datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$ixacon = @{$result}[0];
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT tup_returned FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "rret";
+				$rret = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$rret = 0 unless $rret != $value;
+				$rret /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT tup_fetched FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "rfet";
+				$rfet = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$rfet = 0 unless $rfet != $value;
+				$rfet /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT tup_inserted FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . -$n2 . "rins";
+				$rins = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$rins = 0 unless $rins != $value;
+				$rins /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT tup_updated FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "rupd";
+				$rupd = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$rupd = 0 unless $rupd != $value;
+				$rupd /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT tup_deleted FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "rdel";
+				$rdel = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$rdel = 0 unless $rdel != $value;
+				$rdel /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT xact_commit FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "xactcom";
+				$xactcom = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$xactcom = 0 unless $xactcom != $value;
+				$xactcom /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT xact_rollback FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "xactrlb";
+				$xactrlb = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$xactrlb = 0 unless $xactrlb != $value;
+				$xactrlb /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT blks_read FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "blkrea";
+				$blkrea = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$blkrea = 0 unless $blkrea != $value;
+				$blkrea /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+
+				$sth = $dbh->prepare("SELECT blks_hit FROM pg_stat_database WHERE datname = '$db'");
+				$sth->execute;
+				$result = $sth->fetchrow_arrayref();
+				$value = @{$result}[0];
+				$str = $n . "_" . $n2 . "blkhit";
+				$blkhit = $value - ($config->{pgsql_hist}->{$str} || 0);
+				$blkhit = 0 unless $blkhit != $value;
+				$blkhit /= 60;
+				$config->{pgsql_hist}->{$str} = $value;
+				$sth->finish;
+			}
+			$rrdata .= ":$size:$conns:$actcon:$idlcon:$idxcon:$ixacon:$rret:$rfet:$rins:$rupd:$rdel:$xactcom:$xactrlb:$blkrea:$blkhit:0:0:0:0:0:0:0:0:0";
+		}
+		$dbh->disconnect;
+	}
+
+	RRDs::update($rrd, $rrdata);
+	logger("$myself: $rrdata") if $debug;
+	my $err = RRDs::error;
+	logger("ERROR: while updating $rrd: $err") if $err;
+}
+
+sub pgsql_cgi {
+	my ($package, $config, $cgi) = @_;
+	my @output;
+
+	my $pgsql = $config->{pgsql};
+	my @rigid = split(',', ($pgsql->{rigid} || ""));
+	my @limit = split(',', ($pgsql->{limit} || ""));
+	my $tf = $cgi->{tf};
+	my $colors = $cgi->{colors};
+	my $graph = $cgi->{graph};
+	my $silent = $cgi->{silent};
+	my $zoom = "--zoom=" . $config->{global_zoom};
+	my %rrd = (
+		'new' => \&RRDs::graphv,
+		'old' => \&RRDs::graph,
+	);
+	my $version = "new";
+	my $pic;
+	my $picz;
+	my $picz_width;
+	my $picz_height;
+
+	my $u = "";
+	my $width;
+	my $height;
+	my @extra;
+	my @riglim;
+	my @IMG;
+	my @IMGz;
+	my @tmp;
+	my @tmpz;
+	my @CDEF;
+	my $e;
+	my $e2;
+	my $n;
+	my $n2;
+	my $err;
+
+	$version = "old" if $RRDs::VERSION < 1.3;
+	my $rrd = $config->{base_lib} . $package . ".rrd";
+	my $title = $config->{graph_title}->{$package};
+	my $IMG_DIR = $config->{base_dir} . "/" . $config->{imgs_dir};
+	my $imgfmt_uc = uc($config->{image_format});
+	my $imgfmt_lc = lc($config->{image_format});
+	foreach my $i (split(',', $config->{rrdtool_extra_options} || "")) {
+		push(@extra, trim($i)) if trim($i);
+	}
+
+	$title = !$silent ? $title : "";
+
+
+	# text mode
+	#
+	if(lc($config->{iface_mode}) eq "text") {
+		if($title) {
+			push(@output, main::graph_header($title, 2));
+			push(@output, "    <tr>\n");
+			push(@output, "    <td>\n");
+		}
+		my (undef, undef, undef, $data) = RRDs::fetch("$rrd",
+			"--resolution=$tf->{res}",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"AVERAGE");
+		$err = RRDs::error;
+		push(@output, "ERROR: while fetching $rrd: $err\n") if $err;
+		my $line1;
+		my $line2;
+		my $line3;
+		push(@output, "    <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
+		push(@output, "    ");
+		for($n = 0; $n < scalar(my @pl = split(',', $pgsql->{list})); $n++) {
+			my $pg = trim($pl[$n]);
+			my $host = $pgsql->{desc}->{$pg}->{host} || "";
+			my $port = $pgsql->{desc}->{$pg}->{port} || "";
+			$line1 = "                                                                                                                                                                                                                           ";
+			$line2 .= "   Uptime  T.Size  T.Conn  T.ActC  T.IdlC  T.IdXC  T.IXAC  T.TuRet  T.TuFet  T.TuIns  T.TuUpd  T.TuDel  T.XactCm  T.XactRB  T.BlkRea  T.BlkHit  T.BgwChkT  T.BgwChkR  T.BgwBChk  T.BgwBCln  T.BgwMaxC  T.BgwBBac  T.BgwBAll";
+			$line3 .= "---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------";
+			if($line1) {
+				my $i = length($line1);
+				push(@output, sprintf(sprintf("%${i}s", sprintf("%s:%s", $host, $port))));
+			}
+		}
+		push(@output, "\n");
+		push(@output, "Time$line2\n");
+		push(@output, "----$line3 \n");
+		my $line;
+		my @row;
+		my $time;
+		my $n2;
+		my $from;
+		my $to;
+		for($n = 0, $time = $tf->{tb}; $n < ($tf->{tb} * $tf->{ts}); $n++) {
+			$line = @$data[$n];
+			$time = $time - (1 / $tf->{ts});
+			push(@output, sprintf(" %2d$tf->{tc}", $time));
+			for($n2 = 0; $n2 < scalar(my @pl = split(',', $pgsql->{list})); $n2++) {
+				undef(@row);
+				$from = $n2 * 248;
+				$to = $from + 248;
+				push(@row, @$line[$from..$to]);
+				$row[1] = sprintf("%d", ($row[1] || 0) / (1024 * 1024));
+				if($row[1] < 1024) {
+					$row[1] = sprintf("%6dM", $row[1]);
+				} else {
+					$row[1] = sprintf("%6dG", $row[1] / 1024);
+				}
+				push(@output, sprintf("   %6d %s  %6d  %6d  %6d  %6d  %6d  %7d  %7d  %7d  %7d  %7d  %8d  %8d  %8d  %8d  %9d  %9d  %9d  %9d  %9d  %9d  %9d", @row[0..22]));
+			}
+			push(@output, "\n");
+		}
+		push(@output, "    </pre>\n");
+		if($title) {
+			push(@output, "    </td>\n");
+			push(@output, "    </tr>\n");
+			push(@output, main::graph_footer());
+		}
+		push(@output, "  <br>\n");
+		return @output;
+	}
+
+
+	# graph mode
+	#
+	if($silent eq "yes" || $silent eq "imagetag") {
+		$colors->{fg_color} = "#000000";  # visible color for text mode
+		$u = "_";
+	}
+	if($silent eq "imagetagbig") {
+		$colors->{fg_color} = "#000000";  # visible color for text mode
+		$u = "";
+	}
+
+	for($n = 0; $n < scalar(my @pl = split(',', $pgsql->{list})); $n++) {
+		for($n2 = 1; $n2 <= 6; $n2++) {
+			my $str = $u . $package . $n . $n2 . "." . $tf->{when} . ".$imgfmt_lc";
+			push(@IMG, $str);
+			unlink("$IMG_DIR" . $str);
+			if(lc($config->{enable_zoom}) eq "y") {
+				$str = $u . $package . $n . $n2 . "z." . $tf->{when} . ".$imgfmt_lc";
+				push(@IMGz, $str);
+				unlink("$IMG_DIR" . $str);
+			}
+		}
+		my $n3;
+		my $pg = trim($pl[$n]);
+		for($n3 = 0; $n3 < scalar(my @dbl = split(',', $pgsql->{desc}->{$pg}->{db_list})); $n3++) {
+			my $n4;
+			for($n4 = 1; $n4 <= 5; $n4++) {
+				my $str = $u . $package . $n . $n2 . "." . $tf->{when} . ".$imgfmt_lc";
+				push(@IMG, $str);
+				unlink("$IMG_DIR" . $str);
+				if(lc($config->{enable_zoom}) eq "y") {
+					$str = $u . $package . $n . $n2 . "z." . $tf->{when} . ".$imgfmt_lc";
+					push(@IMGz, $str);
+					unlink("$IMG_DIR" . $str);
+				}
+				$n2++;
+			}
+		}
+	}
+
+	$e = 0;
+	foreach my $db (my @pl = split(',', $pgsql->{list})) {
+		my $pg = trim($db);
+
+		if($e) {
+			push(@output, "  <br>\n");
+		}
+		if($title) {
+			push(@output, main::graph_header($title, 2));
+		}
+		if($title) {
+			push(@output, "    <tr>\n");
+			push(@output, "    <td class='td-valign-top'>\n");
+		}
+
+		my (undef, undef, undef, $data) = RRDs::fetch("$rrd",
+			"--resolution=60",
+			"--start=-1min",
+			"AVERAGE");
+		$err = RRDs::error;
+		push(@output, "ERROR: while fetching $rrd: $err\n") if $err;
+		my $line = @$data[0];
+		my ($uptime) = @$line[0];
+		my $uptimeline;
+		if($RRDs::VERSION > 1.2) {
+			$uptimeline = "COMMENT:uptime\\: " . uptime2str(trim($uptime)) . "\\c";
+		} else {
+			$uptimeline = "COMMENT:uptime: " . uptime2str(trim($uptime)) . "\\c";
+		}
+
+		@riglim = @{setup_riglim($rigid[0], $limit[0])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:returned#44EEEE:Returned");
+		push(@tmp, "GPRINT:returned:LAST:          Cur\\: %5.1lf%s");
+		push(@tmp, "GPRINT:returned:AVERAGE:   Avg\\: %5.1lf%s");
+		push(@tmp, "GPRINT:returned:MIN:   Min\\: %5.1lf%s");
+		push(@tmp, "GPRINT:returned:MAX:   Max\\: %5.1lf%s\\n");
+		push(@tmp, "LINE2:fetched#EEEE44:Fetched");
+		push(@tmp, "GPRINT:fetched:LAST:           Cur\\: %5.1lf%s");
+		push(@tmp, "GPRINT:fetched:AVERAGE:   Avg\\: %5.1lf%s");
+		push(@tmp, "GPRINT:fetched:MIN:   Min\\: %5.1lf%s");
+		push(@tmp, "GPRINT:fetched:MAX:   Max\\: %5.1lf%s\\n");
+		push(@tmp, "LINE2:inserted#44EE44:Inserted");
+		push(@tmp, "GPRINT:inserted:LAST:          Cur\\: %5.1lf%s");
+		push(@tmp, "GPRINT:inserted:AVERAGE:   Avg\\: %5.1lf%s");
+		push(@tmp, "GPRINT:inserted:MIN:   Min\\: %5.1lf%s");
+		push(@tmp, "GPRINT:inserted:MAX:   Max\\: %5.1lf%s\\n");
+		push(@tmp, "LINE2:updated#EE44EE:Updated");
+		push(@tmp, "GPRINT:updated:LAST:           Cur\\: %5.1lf%s");
+		push(@tmp, "GPRINT:updated:AVERAGE:   Avg\\: %5.1lf%s");
+		push(@tmp, "GPRINT:updated:MIN:   Min\\: %5.1lf%s");
+		push(@tmp, "GPRINT:updated:MAX:   Max\\: %5.1lf%s\\n");
+		push(@tmp, "LINE2:deleted#EE4444:Deleted");
+		push(@tmp, "GPRINT:deleted:LAST:           Cur\\: %5.1lf%s");
+		push(@tmp, "GPRINT:deleted:AVERAGE:   Avg\\: %5.1lf%s");
+		push(@tmp, "GPRINT:deleted:MIN:   Min\\: %5.1lf%s");
+		push(@tmp, "GPRINT:deleted:MAX:   Max\\: %5.1lf%s\\n");
+		push(@tmpz, "LINE2:returned#44EEEE:Returned");
+		push(@tmpz, "LINE2:fetched#EEEE44:Fetched");
+		push(@tmpz, "LINE2:inserted#44EE44:Inserted");
+		push(@tmpz, "LINE2:updated#EE44EE:Updated");
+		push(@tmpz, "LINE2:deleted#EE4444:Deleted");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{main});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6]",
+			"--title=$config->{graphs}->{_pgsql1}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=$imgfmt_uc",
+			"--vertical-label=Tuples/s",
+			"--width=$width",
+			"--height=$height",
+			@extra,
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$colors->{graph_colors}},
+			"DEF:returned=$rrd:pgsql" . $e . "_trret:AVERAGE",
+			"DEF:fetched=$rrd:pgsql" . $e . "_trfet:AVERAGE",
+			"DEF:inserted=$rrd:pgsql" . $e . "_trins:AVERAGE",
+			"DEF:updated=$rrd:pgsql" . $e . "_trupd:AVERAGE",
+			"DEF:deleted=$rrd:pgsql" . $e . "_trdel:AVERAGE",
+			"CDEF:allvalues=returned,fetched,inserted,updated,deleted,+,+,+,+",
+			@CDEF,
+			@tmp,
+			"COMMENT: \\n",
+			$uptimeline,
+			"COMMENT: \\n");
+		$err = RRDs::error;
+		push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6]",
+				"--title=$config->{graphs}->{_pgsql1}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Tuples/s",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$colors->{graph_colors}},
+				"DEF:returned=$rrd:pgsql" . $e . "_trret:AVERAGE",
+				"DEF:fetched=$rrd:pgsql" . $e . "_trfet:AVERAGE",
+				"DEF:inserted=$rrd:pgsql" . $e . "_trins:AVERAGE",
+				"DEF:updated=$rrd:pgsql" . $e . "_trupd:AVERAGE",
+				"DEF:deleted=$rrd:pgsql" . $e . "_trdel:AVERAGE",
+				"CDEF:allvalues=returned,fetched,inserted,updated,deleted,+,+,+,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6]: $err\n") if $err;
+		}
+		$e2 = $e + 1;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6] . "' border='0'></a>\n");
+				}
+			} else {
+				push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[1], $limit[1])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:bgwchkt#FFA500:checkpoints_timed");
+		push(@tmp, "GPRINT:bgwchkt:LAST: Cur\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwchkt:AVERAGE:     Avg\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwchkt:MIN:     Min\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwchkt:MAX:     Max\\: %4.0lf\\n");
+		push(@tmp, "LINE2:bgwchkr#4444EE:checkpoints_req");
+		push(@tmp, "GPRINT:bgwchkr:LAST:   Cur\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwchkr:AVERAGE:     Avg\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwchkr:MIN:     Min\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwchkr:MAX:     Max\\: %4.0lf\\n");
+		push(@tmp, "LINE2:bgwbchk#44EEEE:buffers_checkpoint");
+		push(@tmp, "GPRINT:bgwbchk:LAST:Cur\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbchk:AVERAGE:     Avg\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbchk:MIN:     Min\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbchk:MAX:     Max\\: %4.0lf\\n");
+		push(@tmp, "LINE2:bgwbcln#44EE44:buffers_clean");
+		push(@tmp, "GPRINT:bgwbcln:LAST:     Cur\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbcln:AVERAGE:     Avg\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbcln:MIN:     Min\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbcln:MAX:     Max\\: %4.0lf\\n");
+		push(@tmp, "LINE2:bgwmaxc#EE4444:maxwritten_clean");
+		push(@tmp, "GPRINT:bgwmaxc:LAST:  Cur\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwmaxc:AVERAGE:     Avg\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwmaxc:MIN:     Min\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwmaxc:MAX:     Max\\: %4.0lf\\n");
+		push(@tmp, "LINE2:bgwbbac#EE44EE:buffers_backend");
+		push(@tmp, "GPRINT:bgwbbac:LAST:   Cur\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbbac:AVERAGE:     Avg\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbbac:MIN:     Min\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwbbac:MAX:     Max\\: %4.0lf\\n");
+		push(@tmp, "LINE2:bgwball#EEEE44:buffers_alloc");
+		push(@tmp, "GPRINT:bgwball:LAST:     Cur\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwball:AVERAGE:     Avg\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwball:MIN:     Min\\: %4.0lf");
+		push(@tmp, "GPRINT:bgwball:MAX:     Max\\: %4.0lf\\n");
+		push(@tmpz, "LINE2:bgwchkt#FFA500:checkpoints_timed");
+		push(@tmpz, "LINE2:bgwchkr#4444EE:checkpoints_req");
+		push(@tmpz, "LINE2:bgwbchk#44EEEE:buffers_checkpoint");
+		push(@tmpz, "LINE2:bgwbcln#44EE44:buffers_clean");
+		push(@tmpz, "LINE2:bgwmaxc#EE4444:maxwritten_clean");
+		push(@tmpz, "LINE2:bgwbbac#EE44EE:buffers_backend");
+		push(@tmpz, "LINE2:bgwball#EEEE44:buffers_alloc");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{main});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + 1]",
+			"--title=$config->{graphs}->{_pgsql2}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=$imgfmt_uc",
+			"--vertical-label=Buffers written/s",
+			"--width=$width",
+			"--height=$height",
+			@extra,
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$colors->{graph_colors}},
+			"DEF:bgwchkt=$rrd:pgsql" . $e . "_tbgwchkt:AVERAGE",
+			"DEF:bgwchkr=$rrd:pgsql" . $e . "_tbgwchkr:AVERAGE",
+			"DEF:bgwbchk=$rrd:pgsql" . $e . "_tbgwbchk:AVERAGE",
+			"DEF:bgwbcln=$rrd:pgsql" . $e . "_tbgwbcln:AVERAGE",
+			"DEF:bgwmaxc=$rrd:pgsql" . $e . "_tbgwmaxc:AVERAGE",
+			"DEF:bgwbbac=$rrd:pgsql" . $e . "_tbgwbbac:AVERAGE",
+			"DEF:bgwball=$rrd:pgsql" . $e . "_tbgwball:AVERAGE",
+			"CDEF:allvalues=bgwchkt,bgwchkr,bgwbchk,bgwbcln,bgwmaxc,bgwbbac,bgwball,+,+,+,+,+,+",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + 1]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + 1]",
+				"--title=$config->{graphs}->{_pgsql2}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Buffers written/s",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$colors->{graph_colors}},
+				"DEF:bgwchkt=$rrd:pgsql" . $e . "_tbgwchkt:AVERAGE",
+				"DEF:bgwchkr=$rrd:pgsql" . $e . "_tbgwchkr:AVERAGE",
+				"DEF:bgwbchk=$rrd:pgsql" . $e . "_tbgwbchk:AVERAGE",
+				"DEF:bgwbcln=$rrd:pgsql" . $e . "_tbgwbcln:AVERAGE",
+				"DEF:bgwmaxc=$rrd:pgsql" . $e . "_tbgwmaxc:AVERAGE",
+				"DEF:bgwbbac=$rrd:pgsql" . $e . "_tbgwbbac:AVERAGE",
+				"DEF:bgwball=$rrd:pgsql" . $e . "_tbgwball:AVERAGE",
+				"CDEF:allvalues=bgwchkt,bgwchkr,bgwbchk,bgwbcln,bgwmaxc,bgwbbac,bgwball,+,+,+,+,+,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + 1]: $err\n") if $err;
+		}
+		$e2 = $e + 2;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 1] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 1] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 1] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 1] . "' border='0'></a>\n");
+				}
+			} else {
+				push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 1] . "'>\n");
+			}
+		}
+
+		if($title) {
+			push(@output, "    </td>\n");
+			push(@output, "    <td class='td-valign-top'>\n");
+		}
+		@riglim = @{setup_riglim($rigid[2], $limit[2])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:tsize#EEEE44:Total size");
+		push(@tmp, "GPRINT:tsize:LAST:           Current\\: %5.1lf%s\\n");
+		push(@tmpz, "LINE2:tsize#EEEE44:Total size");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + 2]",
+			"--title=$config->{graphs}->{_pgsql3}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=$imgfmt_uc",
+			"--vertical-label=bytes",
+			"--width=$width",
+			"--height=$height",
+			@extra,
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:tsize=$rrd:pgsql" . $e . "_tsize:AVERAGE",
+			"CDEF:allvalues=tsize",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + 2]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + 2]",
+				"--title=$config->{graphs}->{_pgsql3}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=bytes",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:tsize=$rrd:pgsql" . $e . "_tsize:AVERAGE",
+				"CDEF:allvalues=tsize",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + 2]: $err\n") if $err;
+		}
+		$e2 = $e + 3;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 2] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 2] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 2] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 2] . "' border='0'></a>\n");
+				}
+			} else {
+				push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 2] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[3], $limit[3])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "AREA:tconns#4444EE:Total");
+		push(@tmp, "GPRINT:tconns:LAST:                Current\\: %4.0lf\\n");
+		push(@tmp, "LINE2:tactcon#EE44EE:Active");
+		push(@tmp, "GPRINT:tactcon:LAST:               Current\\: %4.0lf\\n");
+		push(@tmp, "LINE2:tidlcon#44EEEE:Idle");
+		push(@tmp, "GPRINT:tidlcon:LAST:                 Current\\: %4.0lf\\n");
+		push(@tmp, "LINE2:tidxcon#EEEE44:Idle in transaction");
+		push(@tmp, "GPRINT:tidxcon:LAST:  Current\\: %4.0lf\\n");
+		push(@tmp, "LINE2:tixacon#EE4444:Idle (aborted)");
+		push(@tmp, "GPRINT:tixacon:LAST:       Current\\: %4.0lf\\n");
+		push(@tmpz, "AREA:tconns#4444EE:Total");
+		push(@tmpz, "LINE2:tactcon#EE44EE:Active");
+		push(@tmpz, "LINE2:tidlcon#44EEEE:Idle");
+		push(@tmpz, "LINE2:tidxcon#EEEE44:Idle in transaction");
+		push(@tmpz, "LINE2:tixacon#EE4444:Idle in transaction (aborted)");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + 3]",
+			"--title=$config->{graphs}->{_pgsql4}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=$imgfmt_uc",
+			"--vertical-label=Connections",
+			"--width=$width",
+			"--height=$height",
+			@extra,
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:tconns=$rrd:pgsql" . $e . "_tconns:AVERAGE",
+			"DEF:tactcon=$rrd:pgsql" . $e . "_tactcon:AVERAGE",
+			"DEF:tidlcon=$rrd:pgsql" . $e . "_tidlcon:AVERAGE",
+			"DEF:tidxcon=$rrd:pgsql" . $e . "_tidxcon:AVERAGE",
+			"DEF:tixacon=$rrd:pgsql" . $e . "_tixacon:AVERAGE",
+			"CDEF:allvalues=tconns,tactcon,tidlcon,tidxcon,tixacon,+,+,+,+",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + 3]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + 3]",
+				"--title=$config->{graphs}->{_pgsql4}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Connections",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:tconns=$rrd:pgsql" . $e . "_tconns:AVERAGE",
+				"DEF:tactcon=$rrd:pgsql" . $e . "_tactcon:AVERAGE",
+				"DEF:tidlcon=$rrd:pgsql" . $e . "_tidlcon:AVERAGE",
+				"DEF:tidxcon=$rrd:pgsql" . $e . "_tidxcon:AVERAGE",
+				"DEF:tixacon=$rrd:pgsql" . $e . "_tixacon:AVERAGE",
+				"CDEF:allvalues=tconns,tactcon,tidlcon,tidxcon,tixacon,+,+,+,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + 3]: $err\n") if $err;
+		}
+		$e2 = $e + 4;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 3] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 3] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 3] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 3] . "' border='0'></a>\n");
+				}
+			} else {
+				push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 3] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[4], $limit[4])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "AREA:xactcom#EE44EE:Committed");
+		push(@tmp, "GPRINT:xactcom:LAST:            Current\\: %3.0lf\\n");
+		push(@tmp, "AREA:xactrlb#EEEE44:Rolled back");
+		push(@tmp, "GPRINT:xactrlb:LAST:          Current\\: %3.0lf\\n");
+		push(@tmp, "LINE2:xactcom#EE00EE");
+		push(@tmp, "LINE2:xactrlb#EEEE00");
+		push(@tmpz, "AREA:xactcom#EE44EE:Committed");
+		push(@tmpz, "AREA:xactrlb#EEEE44:Rolled back");
+		push(@tmpz, "LINE2:xactcom#EE00EE");
+		push(@tmpz, "LINE2:xactrlb#EEEE00");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + 4]",
+			"--title=$config->{graphs}->{_pgsql5}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=$imgfmt_uc",
+			"--vertical-label=Transactions/s",
+			"--width=$width",
+			"--height=$height",
+			@extra,
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:xactcom=$rrd:pgsql" . $e . "_txactcom:AVERAGE",
+			"DEF:xactrlb=$rrd:pgsql" . $e . "_txactrlb:AVERAGE",
+			"CDEF:allvalues=xactcom,xactrlb,+",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + 4]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + 4]",
+				"--title=$config->{graphs}->{_pgsql5}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Transactions/s",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:xactcom=$rrd:pgsql" . $e . "_txactcom:AVERAGE",
+				"DEF:xactrlb=$rrd:pgsql" . $e . "_txactrlb:AVERAGE",
+				"CDEF:allvalues=xactcom,xactrlb,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + 4]: $err\n") if $err;
+		}
+		$e2 = $e + 5;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 4] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 4] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 4] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 4] . "' border='0'></a>\n");
+				}
+			} else {
+				push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 4] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[5], $limit[5])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "AREA:blkhit#44EEEE:Blocks hit");
+		push(@tmp, "GPRINT:blkhit:LAST:           Current\\: %4.1lf%s\\n");
+		push(@tmp, "AREA:blkrea#EE44EE:Blocks read");
+		push(@tmp, "GPRINT:blkrea:LAST:          Current\\: %4.1lf%s\\n");
+		push(@tmp, "LINE2:blkhit#00EEEE");
+		push(@tmp, "LINE2:blkrea#EE00EE");
+		push(@tmpz, "AREA:blkhit#44EEEE:Blocks hit");
+		push(@tmpz, "AREA:blkrea#EE44EE:Blocks read");
+		push(@tmpz, "LINE2:blkhit#00EEEE");
+		push(@tmpz, "LINE2:blkrea#EE00EE");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + 5]",
+			"--title=$config->{graphs}->{_pgsql6}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=$imgfmt_uc",
+			"--vertical-label=Values/s",
+			"--width=$width",
+			"--height=$height",
+			@extra,
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:blkrea=$rrd:pgsql" . $e . "_tblkrea:AVERAGE",
+			"DEF:blkhit=$rrd:pgsql" . $e . "_tblkhit:AVERAGE",
+			"CDEF:allvalues=blkrea,blkhit,+",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + 5]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + 5]",
+				"--title=$config->{graphs}->{_pgsql6}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Values/s",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:blkrea=$rrd:pgsql" . $e . "_tblkrea:AVERAGE",
+				"DEF:blkhit=$rrd:pgsql" . $e . "_tblkhit:AVERAGE",
+				"CDEF:allvalues=blkrea,blkhit,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + 5]: $err\n") if $err;
+		}
+		$e2 = $e + 6;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 5] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 5] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + 5] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 5] . "' border='0'></a>\n");
+				}
+			} else {
+				push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + 5] . "'>\n");
+			}
+		}
+
+
+		# "per-database" graphs
+
+		my $e3 = 0;
+		$e2 = 6;
+		while($e3 < scalar(my @dbl = split(',', $pgsql->{desc}->{$pg}->{db_list}))) {
+			my $str = trim($dbl[$e3]);
+
+			if($title) {
+				push(@output, "  </table>\n");
+				push(@output, "  <table cellspacing='5' cellpadding='0' width='1' bgcolor='$colors->{graph_bg_color}' border='1'>\n");
+
+				push(@output, "    <tr>\n");
+				push(@output, "      <td bgcolor='$colors->{title_bg_color}' colspan='2'>\n");
+				push(@output, "       <font face='Verdana, sans-serif' color='$colors->{title_fg_color}'>\n");
+				push(@output, "       <font size='-1'>\n");
+				push(@output, "        <b style='{color: " . $colors->{title_fg_color} . "}'>&nbsp;&nbsp;'$str' database statistics</b>\n");
+				push(@output, "       </font></font>\n");
+				push(@output, "      </td>\n");
+				push(@output, "    </tr>\n");
+
+				push(@output, "    <tr>\n");
+				push(@output, "    <td class='td-valign-top'>\n");
+			}
+
+			@riglim = @{setup_riglim($rigid[0], $limit[0])};
+			undef(@tmp);
+			undef(@tmpz);
+			undef(@CDEF);
+			push(@tmp, "LINE2:returned#44EEEE:Returned");
+			push(@tmp, "GPRINT:returned:LAST:       Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:returned:AVERAGE:  Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:returned:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmp, "LINE2:fetched#EEEE44:Fetched");
+			push(@tmp, "GPRINT:fetched:LAST:        Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:fetched:AVERAGE:  Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:fetched:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmp, "LINE2:inserted#44EE44:Inserted");
+			push(@tmp, "GPRINT:inserted:LAST:       Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:inserted:AVERAGE:  Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:inserted:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmp, "LINE2:updated#EE44EE:Updated");
+			push(@tmp, "GPRINT:updated:LAST:        Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:updated:AVERAGE:  Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:updated:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmp, "LINE2:deleted#EE4444:Deleted");
+			push(@tmp, "GPRINT:deleted:LAST:        Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:deleted:AVERAGE:  Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:deleted:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmpz, "LINE2:returned#44EEEE:Returned");
+			push(@tmpz, "LINE2:fetched#EEEE44:Fetched");
+			push(@tmpz, "LINE2:inserted#44EE44:Inserted");
+			push(@tmpz, "LINE2:updated#EE44EE:Updated");
+			push(@tmpz, "LINE2:deleted#EE4444:Deleted");
+			if(lc($config->{show_gaps}) eq "y") {
+				push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+				push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+				push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+			}
+			($width, $height) = split('x', $config->{graph_size}->{medium});
+			if($silent =~ /imagetag/) {
+				($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+				($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+				@tmp = @tmpz;
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+			}
+			$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + $e2]",
+				"--title=$config->{graphs}->{_pgsql1}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Tuples/s",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$colors->{graph_colors}},
+				"DEF:returned=$rrd:pgsql" . $e . $e3 . "_rret:AVERAGE",
+				"DEF:fetched=$rrd:pgsql" . $e . $e3 . "_rfet:AVERAGE",
+				"DEF:inserted=$rrd:pgsql" . $e . $e3 . "_rins:AVERAGE",
+				"DEF:updated=$rrd:pgsql" . $e . $e3 . "_rupd:AVERAGE",
+				"DEF:deleted=$rrd:pgsql" . $e . $e3 . "_rdel:AVERAGE",
+				"CDEF:allvalues=returned,fetched,inserted,updated,deleted,+,+,+,+",
+				@CDEF,
+				@tmp);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + $e2]: $err\n") if $err;
+			if(lc($config->{enable_zoom}) eq "y") {
+				($width, $height) = split('x', $config->{graph_size}->{zoom});
+				$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + $e2]",
+					"--title=$config->{graphs}->{_pgsql1}  ($tf->{nwhen}$tf->{twhen})",
+					"--start=-$tf->{nwhen}$tf->{twhen}",
+					"--imgformat=$imgfmt_uc",
+					"--vertical-label=Tuples/s",
+					"--width=$width",
+					"--height=$height",
+					@extra,
+					@riglim,
+					$zoom,
+					@{$cgi->{version12}},
+					@{$colors->{graph_colors}},
+					"DEF:returned=$rrd:pgsql" . $e . $e3 . "_rret:AVERAGE",
+					"DEF:fetched=$rrd:pgsql" . $e . $e3 . "_rfet:AVERAGE",
+					"DEF:inserted=$rrd:pgsql" . $e . $e3 . "_rins:AVERAGE",
+					"DEF:updated=$rrd:pgsql" . $e . $e3 . "_rupd:AVERAGE",
+					"DEF:deleted=$rrd:pgsql" . $e . $e3 . "_rdel:AVERAGE",
+					"CDEF:allvalues=returned,fetched,inserted,updated,deleted,+,+,+,+",
+					@CDEF,
+					@tmpz);
+				$err = RRDs::error;
+				push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + $e2]: $err\n") if $err;
+			}
+			if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql/)) {
+				if(lc($config->{enable_zoom}) eq "y") {
+					if(lc($config->{disable_javascript_void}) eq "y") {
+						push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					} else {
+						if($version eq "new") {
+							$picz_width = $picz->{image_width} * $config->{global_zoom};
+							$picz_height = $picz->{image_height} * $config->{global_zoom};
+						} else {
+							$picz_width = $width + 115;
+							$picz_height = $height + 100;
+						}
+						push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					}
+				} else {
+					push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "'>\n");
+				}
+			}
+
+			$e2++;
+			@riglim = @{setup_riglim($rigid[3], $limit[3])};
+			undef(@tmp);
+			undef(@tmpz);
+			undef(@CDEF);
+			push(@tmp, "AREA:conns#4444EE:Total");
+			push(@tmp, "GPRINT:conns:LAST:          Cur\\: %4.0lf");
+			push(@tmp, "GPRINT:conns:AVERAGE:    Avg\\: %4.0lf");
+			push(@tmp, "GPRINT:conns:MAX:   Max\\: %4.0lf\\n");
+			push(@tmp, "LINE2:actcon#EE44EE:Active");
+			push(@tmp, "GPRINT:actcon:LAST:         Cur\\: %4.0lf");
+			push(@tmp, "GPRINT:actcon:AVERAGE:    Avg\\: %4.0lf");
+			push(@tmp, "GPRINT:actcon:MAX:   Max\\: %4.0lf\\n");
+			push(@tmp, "LINE2:idlcon#44EEEE:Idle");
+			push(@tmp, "GPRINT:idlcon:LAST:           Cur\\: %4.0lf");
+			push(@tmp, "GPRINT:idlcon:AVERAGE:    Avg\\: %4.0lf");
+			push(@tmp, "GPRINT:idlcon:MAX:   Max\\: %4.0lf\\n");
+			push(@tmp, "LINE2:idxcon#EEEE44:Idle in trans.");
+			push(@tmp, "GPRINT:idxcon:LAST: Cur\\: %4.0lf");
+			push(@tmp, "GPRINT:idxcon:AVERAGE:    Avg\\: %4.0lf");
+			push(@tmp, "GPRINT:idxcon:MAX:   Max\\: %4.0lf\\n");
+			push(@tmp, "LINE2:ixacon#EE4444:Idle (aborted)");
+			push(@tmp, "GPRINT:ixacon:LAST: Cur\\: %4.0lf");
+			push(@tmp, "GPRINT:ixacon:AVERAGE:    Avg\\: %4.0lf");
+			push(@tmp, "GPRINT:ixacon:MAX:   Max\\: %4.0lf\\n");
+			push(@tmpz, "AREA:conns#4444EE:Total");
+			push(@tmpz, "LINE2:actcon#EE44EE:Active");
+			push(@tmpz, "LINE2:idlcon#44EEEE:Idle");
+			push(@tmpz, "LINE2:idxcon#EEEE44:Idle in transaction");
+			push(@tmpz, "LINE2:ixacon#EE4444:Idle in transaction (aborted)");
+			if(lc($config->{show_gaps}) eq "y") {
+				push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+				push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+				push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+			}
+			($width, $height) = split('x', $config->{graph_size}->{medium2});
+			if($silent =~ /imagetag/) {
+				($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+				($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+				@tmp = @tmpz;
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+			}
+			$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + $e2]",
+				"--title=$config->{graphs}->{_pgsql4}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Connections",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:conns=$rrd:pgsql" . $e . $e3 . "_conns:AVERAGE",
+				"DEF:actcon=$rrd:pgsql" . $e . $e3 . "_actcon:AVERAGE",
+				"DEF:idlcon=$rrd:pgsql" . $e . $e3 . "_idlcon:AVERAGE",
+				"DEF:idxcon=$rrd:pgsql" . $e . $e3 . "_idxcon:AVERAGE",
+				"DEF:ixacon=$rrd:pgsql" . $e . $e3 . "_ixacon:AVERAGE",
+				"CDEF:allvalues=conns,actcon,idlcon,idxcon,ixacon,+,+,+,+",
+				@CDEF,
+				@tmp);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + $e2]: $err\n") if $err;
+			if(lc($config->{enable_zoom}) eq "y") {
+				($width, $height) = split('x', $config->{graph_size}->{zoom});
+				$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + $e2]",
+					"--title=$config->{graphs}->{_pgsql4}  ($tf->{nwhen}$tf->{twhen})",
+					"--start=-$tf->{nwhen}$tf->{twhen}",
+					"--imgformat=$imgfmt_uc",
+					"--vertical-label=Connections",
+					"--width=$width",
+					"--height=$height",
+					@extra,
+					@riglim,
+					$zoom,
+					@{$cgi->{version12}},
+					@{$cgi->{version12_small}},
+					@{$colors->{graph_colors}},
+					"DEF:conns=$rrd:pgsql" . $e . $e3 . "_conns:AVERAGE",
+					"DEF:actcon=$rrd:pgsql" . $e . $e3 . "_actcon:AVERAGE",
+					"DEF:idlcon=$rrd:pgsql" . $e . $e3 . "_idlcon:AVERAGE",
+					"DEF:idxcon=$rrd:pgsql" . $e . $e3 . "_idxcon:AVERAGE",
+					"DEF:ixacon=$rrd:pgsql" . $e . $e3 . "_ixacon:AVERAGE",
+					"CDEF:allvalues=conns,actcon,idlcon,idxcon,ixacon,+,+,+,+",
+					@CDEF,
+					@tmpz);
+				$err = RRDs::error;
+				push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + $e2]: $err\n") if $err;
+			}
+			if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql/)) {
+				if(lc($config->{enable_zoom}) eq "y") {
+					if(lc($config->{disable_javascript_void}) eq "y") {
+						push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					} else {
+						if($version eq "new") {
+							$picz_width = $picz->{image_width} * $config->{global_zoom};
+							$picz_height = $picz->{image_height} * $config->{global_zoom};
+						} else {
+							$picz_width = $width + 115;
+							$picz_height = $height + 100;
+						}
+						push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					}
+				} else {
+					push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "'>\n");
+				}
+			}
+
+			if($title) {
+				push(@output, "    </td>\n");
+				push(@output, "    <td class='td-valign-top'>\n");
+			}
+
+			$e2++;
+			@riglim = @{setup_riglim($rigid[2], $limit[2])};
+			undef(@tmp);
+			undef(@tmpz);
+			undef(@CDEF);
+			push(@tmp, "LINE2:size#EEEE44:Size");
+			push(@tmp, "GPRINT:size:LAST:           Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:size:AVERAGE:   Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:size:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmpz, "LINE2:size#EEEE44:Size");
+			if(lc($config->{show_gaps}) eq "y") {
+				push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+				push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+				push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+			}
+			($width, $height) = split('x', $config->{graph_size}->{medium2});
+			if($silent =~ /imagetag/) {
+				($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+				($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+				@tmp = @tmpz;
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+			}
+			$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + $e2]",
+				"--title=$config->{graphs}->{_pgsql3}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=bytes",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:size=$rrd:pgsql" . $e . $e3 . "_size:AVERAGE",
+				"CDEF:allvalues=size",
+				@CDEF,
+				@tmp);
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + $e2]: $err\n") if $err;
+			if(lc($config->{enable_zoom}) eq "y") {
+				($width, $height) = split('x', $config->{graph_size}->{zoom});
+				$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + $e2]",
+					"--title=$config->{graphs}->{_pgsql3}  ($tf->{nwhen}$tf->{twhen})",
+					"--start=-$tf->{nwhen}$tf->{twhen}",
+					"--imgformat=$imgfmt_uc",
+					"--vertical-label=bytes",
+					"--width=$width",
+					"--height=$height",
+					@extra,
+					@riglim,
+					$zoom,
+					@{$cgi->{version12}},
+					@{$cgi->{version12_small}},
+					@{$colors->{graph_colors}},
+					"DEF:size=$rrd:pgsql" . $e . $e3 . "_size:AVERAGE",
+					"CDEF:allvalues=size",
+					@CDEF,
+					@tmpz);
+				$err = RRDs::error;
+				push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + $e2]: $err\n") if $err;
+			}
+			if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql/)) {
+				if(lc($config->{enable_zoom}) eq "y") {
+					if(lc($config->{disable_javascript_void}) eq "y") {
+						push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					} else {
+						if($version eq "new") {
+							$picz_width = $picz->{image_width} * $config->{global_zoom};
+							$picz_height = $picz->{image_height} * $config->{global_zoom};
+						} else {
+							$picz_width = $width + 115;
+							$picz_height = $height + 100;
+						}
+						push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					}
+				} else {
+					push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "'>\n");
+				}
+			}
+
+			$e2++;
+			@riglim = @{setup_riglim($rigid[4], $limit[4])};
+			undef(@tmp);
+			undef(@tmpz);
+			undef(@CDEF);
+			push(@tmp, "AREA:xactcom#EE44EE:Committed");
+			push(@tmp, "GPRINT:xactcom:LAST:      Cur\\: %3.0lf");
+			push(@tmp, "GPRINT:xactcom:AVERAGE:      Avg\\: %3.0lf");
+			push(@tmp, "GPRINT:xactcom:MAX:     Max\\: %3.0lf\\n");
+			push(@tmp, "AREA:xactrlb#EEEE44:Rolled back");
+			push(@tmp, "GPRINT:xactrlb:LAST:    Cur\\: %3.0lf");
+			push(@tmp, "GPRINT:xactrlb:AVERAGE:      Avg\\: %3.0lf");
+			push(@tmp, "GPRINT:xactrlb:MAX:     Max\\: %3.0lf\\n");
+			push(@tmp, "LINE2:xactcom#EE00EE");
+			push(@tmp, "LINE2:xactrlb#EEEE00");
+			push(@tmpz, "AREA:xactcom#EE44EE:Committed");
+			push(@tmpz, "AREA:xactrlb#EEEE44:Rolled back");
+			push(@tmpz, "LINE2:xactcom#EE00EE");
+			push(@tmpz, "LINE2:xactrlb#EEEE00");
+			if(lc($config->{show_gaps}) eq "y") {
+				push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+				push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+				push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+			}
+			($width, $height) = split('x', $config->{graph_size}->{medium2});
+			if($silent =~ /imagetag/) {
+				($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+				($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+				@tmp = @tmpz;
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+			}
+			$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + $e2]",
+				"--title=$config->{graphs}->{_pgsql5}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Transactions/s",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:xactcom=$rrd:pgsql" . $e . $e3 . "_xactcom:AVERAGE",
+				"DEF:xactrlb=$rrd:pgsql" . $e . $e3 . "_xactrlb:AVERAGE",
+				"CDEF:allvalues=xactcom,xactrlb,+",
+				@CDEF,
+				@tmp,
+				"COMMENT: \\n");
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + $e2]: $err\n") if $err;
+			if(lc($config->{enable_zoom}) eq "y") {
+				($width, $height) = split('x', $config->{graph_size}->{zoom});
+				$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + $e2]",
+					"--title=$config->{graphs}->{_pgsql5}  ($tf->{nwhen}$tf->{twhen})",
+					"--start=-$tf->{nwhen}$tf->{twhen}",
+					"--imgformat=$imgfmt_uc",
+					"--vertical-label=Transactions/s",
+					"--width=$width",
+					"--height=$height",
+					@extra,
+					@riglim,
+					$zoom,
+					@{$cgi->{version12}},
+					@{$cgi->{version12_small}},
+					@{$colors->{graph_colors}},
+					"DEF:xactcom=$rrd:pgsql" . $e . $e3 . "_xactcom:AVERAGE",
+					"DEF:xactrlb=$rrd:pgsql" . $e . $e3 . "_xactrlb:AVERAGE",
+					"CDEF:allvalues=xactcom,xactrlb,+",
+					@CDEF,
+					@tmpz);
+				$err = RRDs::error;
+				push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + $e2]: $err\n") if $err;
+			}
+			if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql/)) {
+				if(lc($config->{enable_zoom}) eq "y") {
+					if(lc($config->{disable_javascript_void}) eq "y") {
+						push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					} else {
+						if($version eq "new") {
+							$picz_width = $picz->{image_width} * $config->{global_zoom};
+							$picz_height = $picz->{image_height} * $config->{global_zoom};
+						} else {
+							$picz_width = $width + 115;
+							$picz_height = $height + 100;
+						}
+						push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					}
+				} else {
+					push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "'>\n");
+				}
+			}
+
+			$e2++;
+			@riglim = @{setup_riglim($rigid[5], $limit[5])};
+			undef(@tmp);
+			undef(@tmpz);
+			undef(@CDEF);
+			push(@tmp, "AREA:blkhit#44EEEE:Blocks hit");
+			push(@tmp, "GPRINT:blkhit:LAST:     Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:blkhit:AVERAGE:   Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:blkhit:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmp, "AREA:blkrea#EE44EE:Blocks read");
+			push(@tmp, "GPRINT:blkrea:LAST:    Cur\\: %5.1lf%s");
+			push(@tmp, "GPRINT:blkrea:AVERAGE:   Avg\\: %5.1lf%s");
+			push(@tmp, "GPRINT:blkrea:MAX:  Max\\: %5.1lf%s\\n");
+			push(@tmp, "LINE2:blkhit#00EEEE");
+			push(@tmp, "LINE2:blkrea#EE00EE");
+			push(@tmpz, "AREA:blkhit#44EEEE:Blocks hit");
+			push(@tmpz, "AREA:blkrea#EE44EE:Blocks read");
+			push(@tmpz, "LINE2:blkhit#00EEEE");
+			push(@tmpz, "LINE2:blkrea#EE00EE");
+			if(lc($config->{show_gaps}) eq "y") {
+				push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+				push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+				push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+			}
+			($width, $height) = split('x', $config->{graph_size}->{medium2});
+			if($silent =~ /imagetag/) {
+				($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+				($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+				@tmp = @tmpz;
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+				push(@tmp, "COMMENT: \\n");
+			}
+			$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$e * 6 + $e2]",
+				"--title=$config->{graphs}->{_pgsql6}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=$imgfmt_uc",
+				"--vertical-label=Values/s",
+				"--width=$width",
+				"--height=$height",
+				@extra,
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:blkrea=$rrd:pgsql" . $e . $e3 . "_blkrea:AVERAGE",
+				"DEF:blkhit=$rrd:pgsql" . $e . $e3 . "_blkhit:AVERAGE",
+				"CDEF:allvalues=blkrea,blkhit,+",
+				@CDEF,
+				@tmp,
+				"COMMENT: \\n");
+			$err = RRDs::error;
+			push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$e * 6 + $e2]: $err\n") if $err;
+			if(lc($config->{enable_zoom}) eq "y") {
+				($width, $height) = split('x', $config->{graph_size}->{zoom});
+				$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$e * 6 + $e2]",
+					"--title=$config->{graphs}->{_pgsql6}  ($tf->{nwhen}$tf->{twhen})",
+					"--start=-$tf->{nwhen}$tf->{twhen}",
+					"--imgformat=$imgfmt_uc",
+					"--vertical-label=Values/s",
+					"--width=$width",
+					"--height=$height",
+					@extra,
+					@riglim,
+					$zoom,
+					@{$cgi->{version12}},
+					@{$cgi->{version12_small}},
+					@{$colors->{graph_colors}},
+					"DEF:blkrea=$rrd:pgsql" . $e . $e3 . "_blkrea:AVERAGE",
+					"DEF:blkhit=$rrd:pgsql" . $e . $e3 . "_blkhit:AVERAGE",
+					"CDEF:allvalues=blkrea,blkhit,+",
+					@CDEF,
+					@tmpz);
+				$err = RRDs::error;
+				push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$e * 6 + $e2]: $err\n") if $err;
+			}
+			if($title || ($silent =~ /imagetag/ && $graph =~ /pgsql/)) {
+				if(lc($config->{enable_zoom}) eq "y") {
+					if(lc($config->{disable_javascript_void}) eq "y") {
+						push(@output, "      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					} else {
+						if($version eq "new") {
+							$picz_width = $picz->{image_width} * $config->{global_zoom};
+							$picz_height = $picz->{image_height} * $config->{global_zoom};
+						} else {
+							$picz_width = $width + 115;
+							$picz_height = $height + 100;
+						}
+						push(@output, "      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[$e * 6 + $e2] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "' border='0'></a>\n");
+					}
+				} else {
+					push(@output, "      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[$e * 6 + $e2] . "'>\n");
+				}
+			}
+			$e2++;
+			$e3++;
+		}
+
+		if($title) {
+			push(@output, "    </td>\n");
+			push(@output, "    </tr>\n");
+
+			push(@output, "    <tr>\n");
+			push(@output, "      <td bgcolor='$colors->{title_bg_color}' colspan='2'>\n");
+			push(@output, "       <font face='Verdana, sans-serif' color='$colors->{title_fg_color}'>\n");
+			push(@output, "       <font size='-1'>\n");
+			push(@output, "        <b style='{color: " . $colors->{title_fg_color} . "}'>&nbsp;&nbsp;$pg</b>\n");
+			push(@output, "       </font></font>\n");
+			push(@output, "      </td>\n");
+			push(@output, "    </tr>\n");
+			push(@output, main::graph_footer());
+		}
+		$e++;
+	}
+	push(@output, "  <br>\n");
+	return @output;
+}
+
+1;
diff --git a/monitorix.conf b/monitorix.conf
index 7bf51ea..34f5059 100644
--- a/monitorix.conf
+++ b/monitorix.conf
@@ -103,6 +103,7 @@ secure_log_date_format = %b %e
 	nginx		= n
 	lighttpd	= n
 	mysql		= n
+	pgsql		= n
 	mongodb		= n
 	varnish		= n
 	pagespeed	= n
@@ -570,6 +571,24 @@ secure_log_date_format = %b %e
 </mysql>
 
 
+# PGSQL graph
+# -----------------------------------------------------------------------------
+<pgsql>
+	list = localhost
+	<desc>
+		<localhost>
+			host = localhost
+			port = 5432
+			username = user
+			password = secret
+			db_list =
+		</localhost>
+	</desc>
+	rigid = 0, 0, 0, 0, 0, 0
+	limit = 100, 100, 100, 100, 100, 100
+</pgsql>
+
+
 # MONGODB graph
 # -----------------------------------------------------------------------------
 <mongodb>
@@ -966,7 +985,7 @@ logo_bottom = logo_bot.png
 	remote	= 300x100
 </graph_size>
 
-graph_name = system, kern, proc, hptemp, lmsens, gensens, ipmi, ambsens, nvidia, disk, fs, zfs, du, net, netstat, tinyproxy, tc, libvirt, process, serv, mail, port, user, ftp, apache, nginx, lighttpd, mysql, mongodb, varnish, pagespeed, squid, nfss, nfsc, bind, unbound, ntp, chrony, fail2ban, icecast, raspberrypi, phpapc, memcached, redis, phpfpm, apcupsd, nut, wowza, int, verlihub
+graph_name = system, kern, proc, hptemp, lmsens, gensens, ipmi, ambsens, nvidia, disk, fs, zfs, du, net, netstat, tinyproxy, tc, libvirt, process, serv, mail, port, user, ftp, apache, nginx, lighttpd, mysql, pgsql, mongodb, varnish, pagespeed, squid, nfss, nfsc, bind, unbound, ntp, chrony, fail2ban, icecast, raspberrypi, phpapc, memcached, redis, phpfpm, apcupsd, nut, wowza, int, verlihub
 
 <graph_title>
 	system		= System load average and usage
@@ -997,6 +1016,7 @@ graph_name = system, kern, proc, hptemp, lmsens, gensens, ipmi, ambsens, nvidia,
 	nginx		= Nginx statistics
 	lighttpd	= Lighttpd statistics
 	mysql		= MySQL statistics
+	pgsql		= PostgreSQL statistics
 	mongodb		= MongoDB statistics
 	varnish		= Varnish statistics
 	pagespeed	= PageSpeed statistics
@@ -1121,6 +1141,12 @@ graph_name = system, kern, proc, hptemp, lmsens, gensens, ipmi, ambsens, nvidia,
 	_mysql4		= MySQL queries
 	_mysql5		= MySQL connections
 	_mysql6		= MySQL traffic
+	_pgsql1		= PgSQL rows by queries
+	_pgsql2		= PgSQL background writer
+	_pgsql3		= PgSQL all databases size
+	_pgsql4		= PgSQL connections
+	_pgsql5		= PgSQL transactions
+	_pgsql6		= PgSQL block cache
 	_mongodb1	= MongoDB operations
 	_mongodb2	= MongoDB metrics document
 	_mongodb3	= MongoDB write performance