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…')
 
(Deciphering zmstat charts)
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=== MySQL: InnoDB Buffer Pool Hit Rate ===
 
=== MySQL: InnoDB Buffer Pool Hit Rate ===
In general, should stay about 995.
+
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

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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