Re: High %SYS CPU usage

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