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Re: High %SYS CPU usage - Mailing list pgsql-performance

From Josh Berkus
Subject Re: High %SYS CPU usage
Date
Msg-id 50902579.5090304@agliodbs.com
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In response to High %SYS CPU usage  (Cesar Martin <cmartinp@gmail.com>)
Responses Re: High %SYS CPU usage  (Cesar Martin <cmartinp@gmail.com>)
List pgsql-performance
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Cesar,

> On this server I have only one database with 312GB of data. The database
> had run fine during 4 months, but from two months ago, during high work
> load periods, the server is collapsed by "%sys" type load.

Hmmm.  Have you updated Linux any time recently?  I'm wondering if this
is a PostgreSQL problem at all.  It sounds like an OS issue.

Can you give us the results of mpstat -P ALL 3 ?  The dstat output
doesn't tell me much.

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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