… In Memory storage engines vs Distributed ones. Trying to handle all different cases in Optimizer – such as in memory nature of MEMORY storage engine, clustering… run for different storage engines, but really this is not enough as MySQL allows you using multiple storage engines in the query you…

… the amazing MySQL manual, especially the option and variable …Com_show_engine_logsblogpercona.commanual Com_show_engine_mutexblogpercona.commanual Com_show_engine_statusblogpercona….idblogpercona.commanual shared_memoryblogpercona.commanual shared_memory_base_nameblogpercona.commanual show_slave_auth…

… which appeared in MySQL 4.0 Query Cache was designed to work with single core systems and relatively small memory amounts, both of which are things of the past. However, if you think about Core idea of the MySQL Query… hard. Query Cache Storage Engines MySQL Query Cache now stores queries in local memory, which is great however memory amount might be limited especially…

… a system reboot. The pmp-check-mysql-pidfile plugin verifies that MySQL‘s PID file exists. Evidence of … in the server as well as the storage engine. For example, a pile-up of connections all …-unix-memory plugin checks for a single process consuming too much memory and/or for too little free memory …