E10K/Solaris 7 106541-21 performance problem

2007-12-25 0:54:00

Hello, we have a mission-critical app whose window is compromised due to
poor performance. I TRUSSed one of the jobs last night and found that the
process was sleeping. I suspect some sort of lock condition....I'm looking
for some jumping-off points to start my investigation. The code in question
is a ksh script. Here's the smoking gun:

truss -p 27994
waitd(P_ALL, 0, 0xFFBEE018, WEXITED|WTRAPPED|WSTOPPED) (sleeping...)
,
.
<at least thirty minutes passes with all resources on system idle>.....
.
.
.
waitd(P_ALL, 0, 0xFFBEE018, WEXITED|WTRAPPED|WSTOPPED) = 0

<job then flies to completion within seconds>.

Can anyone more familiar with coding point me in the right directions?
Thanks.

Bucky

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E10K/Solaris 7 106541-21 performance problem

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