| From: | Michael Fuhr <mike(at)fuhr(dot)org> |
|---|---|
| To: | "Ed L(dot)" <pgsql(at)bluepolka(dot)net> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: insert performance riddle |
| Date: | 2005-08-13 00:29:23 |
| Message-ID: | 20050813002923.GA19294@winnie.fuhr.org |
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| Thread: | |
| Lists: | pgsql-general |
On Fri, Aug 12, 2005 at 06:20:27PM -0600, Ed L. wrote:
> On Friday August 12 2005 6:11 pm, Michael Fuhr wrote:
> > Has anything changed on the system since the results were
> > consistently slow? New hardware, new versions of anything,
> > reboot, etc.? Did you do any profiling when DBD::Pg was
> > consistently slow to see where the bottleneck was?
>
> All good questions. Obviously, something has changed, but I'm
> hard-pressed to identify what it might have been. No, I didn't
> do any profiling, since I found the presumed dbi/libpq
> difference first. I will measure perf of dbi, Pg, and libpq
> over time and see if I can combine with I/O measures to see
> trends.
I meant profiling of DBD::Pg, as Greg Sabino Mullane suggested.
Here's his message in case you missed it:
http://archives.postgresql.org/pgsql-general/2005-08/msg00655.php
--
Michael Fuhr
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