Gavin Hamill <[EMAIL PROTECTED]> writes:
> There's truss installed which seems to do the same as strace on
> Linux... and here's a wildly non-scientific glance.. I watched the
> 'topas' output (top for AIX) , identified a PID that was doing a lot of
> work, then attached truss to that pid. In addition to lots of send
> (), recv() and lseek()s...
Those are good, they represent real work getting done.
> about once a minute I saw hundreds of calls
> to __semop() interspersed with _select(),
This is not good. Did the semop storms coincide with visible slowdown?
(I'd assume so, but you didn't actually say...)
regards, tom lane
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