Re: Postmaster holding unlinked files for pg_largeobject table

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От Alvaro Herrera
Тема Re: Postmaster holding unlinked files for pg_largeobject table
Дата
Msg-id 1307376945-sup-7246@alvh.no-ip.org
обсуждение исходный текст
Ответ на Re: Postmaster holding unlinked files for pg_largeobject table  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Postmaster holding unlinked files for pg_largeobject table  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Re: Postmaster holding unlinked files for pg_largeobject table  (Tom Lane <tgl@sss.pgh.pa.us>)
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Excerpts from Tom Lane's message of lun jun 06 12:10:24 -0400 2011:
> Alvaro Herrera <alvherre@commandprompt.com> writes:

> > Hmm interesting.  I don't think the placement suggested by Tom would be
> > useful, because the Zabbix backends are particularly busy all the time,
> > so they wouldn't run ProcessCatchupEvent at all.
> 
> Yeah, I wasn't that thrilled with the suggestion either.  But we can't
> just have backends constantly closing every open FD they hold, or
> performance will suffer.  I don't see any very good place to do this...

How about doing something on an sinval message for pg_database?
That doesn't solve the WAL problem Kevin found, of course ...

-- 
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


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