Re: WALInsertLock contention

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tatsuo Ishii <ishii(at)postgresql(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: WALInsertLock contention
Date: 2011-02-17 04:16:26
Message-ID: AANLkTikpJQs=2yd4sLXqNj3ZR1NOU_kDq=2Zkk9Ceuh5@mail.gmail.com
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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?

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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