SUMMARY: Collect Using Excessive CPU Time

From: Skulley, William <William.Skulley_at_rfets.gov>
Date: Tue, 19 Feb 2002 14:52:55 -0700

A quick call to Compaq support revealed that I need to improve my man page
reading technique. They suggested I run collect with the nice switch (-o n)
and this appears to have cleared up the issue, at least for the time being.


Thanks
Bill Skulley

> -----Original Message-----
>
>
> We rolled Collect out on our Tru64 5.0a and Tru64 5.1 servers last summer.
> I am very pleased with the tool, but recently we have started to see
> instances where Collect will use up 200% of the CPU (as shown by ps aux)
> on the box for a period of time. These appear to occur exclusively on our
> Peoplesoft servers. I have been able to isloate the start time as being
> when it writes the data file to disk (daemon.log: Feb 12 06:06:00 server
> /usr/sbin/collect[18578]: received SIGUSR1: forcing data buffer flush),
> and the stop time is typically the next flush. These events seemed to
> happen much more often (multiple times daily) after the PeopleTools were
> upgraded from 8.14 to 8.16. To further complicate issues, two of the
> servers with this issue were upgraded from 5.0a to 5.1, and one is now
> running PK3 and the other PK4. We are using Collect 2.01. Has anyone
> else seen this kind of problem? Any clever troubleshooting techniques?
>
> Thanks
> Bill Skulley
>
Received on Tue Feb 19 2002 - 21:53:08 NZDT

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