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CPU usage mysql problem?


Mimoza

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You probably have too many heavy queries running. Execute this statement and see what queries are running. You may want to tune them down, cache results, etc... I guess you're running a webserver that accesses these databases? Mostly badly written admin tools could be the culprit for such heavy loads:

SHOW PROCESSLIST;

 

Also memory consumption isn't that high for such a big server. Check your buffer sizes, table cache and query cache because maybe you'd tune them to reduce cpu usage. It's a bit of a trade-off since you'll have more memory consumption but since the cpu bottlenecks your server for obvious reasons it's definitely a good deal. More info here: https://dev.mysql.com/doc/refman/8.0/en/memory-use.html and here: https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html

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