[TriLUG] MySQL Runaway

[Jamie Kahgee]

Have you ever used innotop<http://innotop.googlecode.com/svn/html/manual.html>?
 can be used to extract a lot of info.

What kind of tables are we talking about here (myISAM / InnoDB)?  Do you
have large/small buffer pools? do you have a large/small query cache?  can
you see/log what your process-list (SHOW PROCESSLIST) is while your CPU
usage is high?

to speak on what everyone else is saying: the higher the utilization, the
higher the chances of queueing

Thanks,
Jamie K.


On Wed, May 8, 2013 at 8:30 AM, John Vaughters <jvaughters04 at yahoo.com>wrote:

> > "I am not a DBA, I just play one on TV."
>
> Hmmmm,  what channel?
>
> After reviewing the slow queries, investigate the complex queries and the
> tables/views they use. See if there is any possibility of purging/archiving
> data. This is just a shot in the dark, but for systems that go unmanaged,
> it is quite common.
>
> John Vaughters
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