Enable MySQL Query Caching

You can setup them in /etc/my.cnf (CentOS 7)

vi /etc/my.cnf

Append config directives as follows:

query_cache_size = 268435456

In above example the maximum size of individual query results that can be cached set to 1048576 using query_cache_limit system variable. Memory size in Kb.

Restart the mysql service.

service mysqld restart

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