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Re: Load Distributed Checkpoints, take 3

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: Greg Smith <gsmith(at)gregsmith(dot)com>, Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Load Distributed Checkpoints, take 3
Date: 2007-06-26 16:34:52
Message-ID: 23351.1182875692@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-patches
Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> Tom Lane wrote:
>> (Note that COPY per se will not trigger this behavior anyway, since it
>> will act in a limited number of buffers because of the recent buffer
>> access strategy patch.)

> Actually we dropped it from COPY, because it didn't seem to improve 
> performance in the tests we ran.

Who's "we"?  AFAICS, CVS HEAD will treat a large copy the same as any
other large heapscan.

			regards, tom lane

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Subject: Re: Load Distributed Checkpoints, take 3
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