Re: Wait free LW_SHARED acquisition

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Christian Kruse <christian(at)2ndquadrant(dot)com>
Cc: Andres Freund <andres(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Wait free LW_SHARED acquisition
Date: 2014-02-04 19:48:14
Message-ID: CAM3SWZS+e7CAt_3=sOjPcgJ3K25GCGMcj-dxPWHBzr6t_XhhKg@mail.gmail.com
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On Tue, Feb 4, 2014 at 11:39 AM, Christian Kruse
<christian(at)2ndquadrant(dot)com> wrote:
> I added -M prepared to the pgbench call in the benchwarmer script.
>
> The read-only tests are finished, I come to similiar results as yours:
>
> <http://wwwtech.de/pg/benchmarks-lwlock-read-only/>

Note that Christian ran this test with max_connections=201, presumably
to exercise the alignment problem.

--
Peter Geoghegan

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