Re: SIGUSR1 pingpong between master na autovacum launcher causes crash

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От Alvaro Herrera
Тема Re: SIGUSR1 pingpong between master na autovacum launcher causes crash
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Msg-id 20090824155403.GC5962@alvh.no-ip.org
обсуждение исходный текст
Ответ на Re: SIGUSR1 pingpong between master na autovacum launcher causes crash  (Zdenek Kotala <Zdenek.Kotala@Sun.COM>)
Ответы Re: SIGUSR1 pingpong between master na autovacum launcher causes crash  (Tom Lane <tgl@sss.pgh.pa.us>)
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Zdenek Kotala wrote:

> Just a confirmation that Alvaro's patch+ReleasePostmasterChildSlot() fix
> solves the problem and PostgreSQL survives well during a memory
> shortages.

So this patch would do it.

I think this stuff about postmaster child slots is later than
launcher/worker split.  I don't recall seeing it before.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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