From: | Stephen Frost <sfrost(at)snowman(dot)net> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Tatsuo Ishii <ishii(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: WALInsertLock contention |
Date: | 2011-02-17 04:39:54 |
Message-ID: | 20110217043954.GR4116@tamriel.snowman.net |
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Lists: | pgsql-hackers |
* Robert Haas (robertmhaas(at)gmail(dot)com) wrote:
> On Wed, Feb 16, 2011 at 11:13 PM, Tatsuo Ishii <ishii(at)postgresql(dot)org> wrote:
> > I vaguely recall that UNISYS used to present patches to reduce the WAL
> > buffer lock contention and enhanced the CPU scalability limit from 12
> > to 16 or so(if my memory serves). Your second idea is somewhat related
> > to the patches?
>
> Not sure. Do you have a link to the archives, or any idea when this
> discussion occurred/what the subject line was?
They presented at PgCon a couple of years in a row, iirc..
http://www.pgcon.org/2007/schedule/events/16.en.html
I thought there was another one but I'm not finding it atm..
Thanks,
Stephen
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