Just a brief comment from upstream: Turning off query cache is an acceptable resolution. It is off by default from MySQL 5.6+ http://www.tocker.ca/2013/09/10/improving-mysqls-default-configuration.html
(The query cache mutex is hot on multi-core systems.) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1290331 Title: query_cache_* configuration not appropriate for all mysql alternatives To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.5/+bug/1290331/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs