Re: Stefan's bug (was: max_standby_delay considered harmful)

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Florian Pflug <fgp(at)phlo(dot)org>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>, Greg Smith <greg(at)2ndquadrant(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>
Subject: Re: Stefan's bug (was: max_standby_delay considered harmful)
Date: 2010-05-24 14:40:18
Message-ID: AANLkTilEyO2-eBWSuvedrY6jVgE0tSn1Q9DnbyNqy_dw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Mon, May 24, 2010 at 10:35 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> On Mon, May 24, 2010 at 10:26 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>> This looks pretty reasonable to me, but I guess I feel like it would
>> be better to drive the CancelBackup() decision off of whether we've
>> ever reached PM_RUN rather than consulting XLogCtl.  It just feels
>> cleaner to me to drive all of the postmaster decisions off of the same
>> signalling mechanism rather than having a separate one (that only
>> works because it's used very late in shutdown when we theoretically
>> don't need a lock) just for this one case.
>
> Okay, how about the attached patch? It uses the postmaster-local flag
> "ReachedEndOfRecovery" (better name?) instead of XLogCtl one.

Looks good to me. I will test and apply.

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

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2010-05-24 14:48:12 Re: Stefan's bug (was: max_standby_delay considered harmful)
Previous Message Fujii Masao 2010-05-24 14:35:18 Re: Stefan's bug (was: max_standby_delay considered harmful)