This commit is contained in:
Jordi Sanfeliu 2013-01-16 16:46:54 +01:00
parent b329432d9d
commit ee0fe58e80
1 changed files with 2 additions and 0 deletions

View File

@ -906,6 +906,8 @@ A query cache size increase is recommended if the query cache usage is very clos
.br
This value should grow proportionally with the number of executed queries as long as the query cache is performing well. Please also have a look at the \fBQuery cache usage\fP percentage to know if your query_cache configuration is appropriate.
.P
For more information please refer to http://www.databasejournal.com/features/mysql/article.php/3808841/Optimizing-the-MySQL-Query-Cache.htm
.P
\fBQuery Cache Usage\fP
.br
\fB(1 - (Qcache_free_memory / query_cache_size)) * 100\fP