Re: insert performance riddle

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: 2005-08-12 23:27:12
Message-ID: 20050812232712.GA99626@winnie.fuhr.org
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On Fri, Aug 12, 2005 at 05:20:49PM -0600, Ed L. wrote:
> Well, just as I thought I had this one pinned, my test results
> have become wildly inconsistent, eroding all confidence in my
> prior conclusions about DBI slowness, etc. I've seen at least
> 1000+ QPS performance via DBI/DBD::Pg, Pg, and C/libpq. I'm now
> investigating the possibility of simple old intermittent I/O
> congestion...

How consistent were the results before? I got the impression that
you saw consistently bad performance with DBD::Pg when other methods
performed well.

--
Michael Fuhr

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