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Solaris 10 performance - process.max-stack-size exceeded by process

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underh20.s...@gmail.com

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Aug 4, 2008, 5:21:15 PM8/4/08
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Our PrimePower 850 server runs Solaris 10 (kernel 127127-11) and
Symantec Storage Foundation for Oracle 5.0-mp1. The Websphere
application runs with Oracle 10g database. We are having issue with
slow performance on our application. The OS/hardware seem OK.
However, we are getting the following alerts repeatedly in the
messages file. There's no project, resource or task setup in solaris
10 for this server. Any idea where the alerts are coming from and how
we can resovle this.

Thanks, Bill

:
:
Aug 4 09:09:37 atlanta genunix: [ID 120576 kern.error] basic rctl
process.max-stack-size (value 8388608) exceeded by process 4855.
Aug 4 09:09:37 atlanta genunix: [ID 120576 kern.error] basic rctl
process.max-stack-size (value 8388608) exceeded by process 4847.
Aug 4 09:09:41 atlanta last message repeated 4 times
Aug 4 09:09:42 atlanta genunix: [ID 120576 kern.error] basic rctl
process.max-stack-size (value 8388608) exceeded by process 4860.
Aug 4 09:09:44 atlanta last message repeated 6 times
Aug 4 09:09:44 atlanta genunix: [ID 120576 kern.error] basic rctl
process.max-stack-size (value 8388608) exceeded by process 4846.
Aug 4 09:09:44 atlanta genunix: [ID 120576 kern.error] basic rctl
process.max-stack-size (value 8388608) exceeded by process 4860.
Aug 4 09:09:44 atlanta last message repeated 5 times
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Richard B. Gilbert

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Aug 4, 2008, 5:42:11 PM8/4/08
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Well it looks as if Solaris thinks that the stack has overflowed in the
above mentioned processes. This is VERY suggestive of a programming error!

It could also be due to the maximum stack size being set too small.
Someone will have to determine whether to fix the program or increase
the maximum stack size. This will probably require that someone find
out what the process is doing with all that stack space!

Andrew Gabriel

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Aug 4, 2008, 6:06:05 PM8/4/08
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In article <acebf6ac-f0f4-49f4...@r15g2000prd.googlegroups.com>,

That's a rather small value for the heap. It would be interesting
to see what values you have for all the processes on the system,
and what the action on exceeding it is set to:

cd /proc
prctl -n process.max-stack-size *

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

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