Re: Rethinking stats communication mechanisms

From: Greg Stark <gsstark(at)mit(dot)edu>
To: Douglas McNaught <doug(at)mcnaught(dot)org>
Cc: Greg Stark <gsstark(at)mit(dot)edu>, PFC <lists(at)peufeu(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Rethinking stats communication mechanisms
Date: 2006-06-18 07:42:24
Message-ID: 87mzca6hb3.fsf@stark.xeocode.com
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Douglas McNaught <doug(at)mcnaught(dot)org> writes:

> Yeah, but if you turn on query logging in that case you'll see the
> bajillions of short queries, so you don't need the accurate snapshot
> to diagnose that.

Query logging on a production OLTP machine? a) that would be a huge
performance drain on the production system b) it would produce so much logging
that it would take a significant amount of disk and i/o resources just to
handle and c) you would need to implement special purpose tools just to make
sense of these huge logs.

--
greg

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