Difference between revisions of "Glenno-Notes"
(Created page with '== Deciphering zmstat charts == === MySQL: InnoDB Buffer Pool Hit Rate === In general, should stay about 995. === Mailboxd: Minor Garbage Collection Time and Mailboxd: Major Ga…') |
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=== MySQL: InnoDB Buffer Pool Hit Rate === | === MySQL: InnoDB Buffer Pool Hit Rate === | ||
| − | In general, should stay | + | In general, should stay above 995. |
| + | ==== Bad ==== | ||
| + | [[File:innodb_bad.png]] | ||
| + | ==== Better ==== | ||
| + | [[File:innodb_better.png]] | ||
| + | ==== Ideal ==== | ||
| + | [[File:innodb_perfect.png]] | ||
=== Mailboxd: Minor Garbage Collection Time and Mailboxd: Major Garbage Collection Time === | === 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. | If the GC time starts getting over a few percent, especially repeatedly, then it's something that users will notice. | ||
Revision as of 01:08, 19 August 2010
Contents
Deciphering zmstat charts
MySQL: InnoDB Buffer Pool Hit Rate
In general, should stay above 995.
Bad
Better
Ideal
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.
