On 15.07.2013 15:31, Egoitz Aurrekoetxea wrote: > Could Mysql cache cause a performance penalty, when invalidating > queries of a big Mysql cache zone?
can, and *will* ... see also http://dom.as/tech/query-cache-tuner/ cache is locked while entries are being purged to prevent handing out cached results that may already be out-of-date, and the more active cache entries that need to be purged the longer it stays locked ... -- Hartmut Holzgraefe <hart...@skysql.com> Principal Support Engineer (EMEA) SkySQL AB - http://www.skysql.com/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql