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Revision as of 20:45, 26 August 2010

Deciphering zmstat charts

MySQL: InnoDB Buffer Pool Hit Rate

In general, should stay above 995.

Bad

Innodb bad.png

Better

Innodb better.png

Ideal

Innodb perfect.png

Mailboxd: Minor Garbage Collection Time and Mailboxd: Major Garbage Collection Time

If the GC time starts getting over a few percent, especially repeatedly, then it's something that users will notice.

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