Re: Further reduction of bufmgr lock contention

From: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org, "Gavin Hamill" <gdh(at)acentral(dot)co(dot)uk>
Subject: Re: Further reduction of bufmgr lock contention
Date: 2006-04-21 17:39:45
Message-ID: 36e682920604211039h2d25a25h631023a93188803f@mail.gmail.com
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On 4/21/06, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I've been looking into Gavin Hamill's recent report of poor performance
> with PG 8.1 on an 8-way IBM PPC64 box.

We have recently encountered some odd performance with 8.2dev on a
16-way Opteron. In the next few days we'll look into it and see if it
may be related.

Otherwise, it sounds good to me; a trial of the new strategy should
definitely prove its value one way or the other.

--
Jonah H. Harris, Database Internals Architect
EnterpriseDB Corporation
732.331.1324

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