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Re: Reducing stats collection overhead

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Reducing stats collection overhead
Date: 2007-04-29 07:27:16
Message-ID: 19415.1177831636@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Bruce Momjian <bruce(at)momjian(dot)us> writes:
> Yes, it seems we will have to do something for 8.3.

Yeah, we've kind of ignored any possible overhead of the stats mechanism
for awhile, but I think we've got to face up to this if we're gonna have
it on by default.

> I assume the method
> below would reduce frequent updates of the stats_command_string too.

No, stats_command_string is entirely independent now.

			regards, tom lane

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