| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, 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(at)postgresql(dot)org, Bruce Momjian <bruce(at)momjian(dot)us>, Greg Smith <greg(at)2ndquadrant(dot)com> |
| Subject: | Re: max_standby_delay considered harmful |
| Date: | 2010-05-14 21:32:15 |
| Message-ID: | AANLkTilnuYddIZAnD2bVCve3s_i8s6oQwGMuUSQua2RQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, May 13, 2010 at 1:12 PM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> On 5/12/10 8:07 PM, Robert Haas wrote:
>> I think that would be a good thing to check (it'll confirm whether
>> this is the same bug), but I'm not convinced we should actually fix it
>> that way. Prior to 8.4, we handled a smart shutdown during recovery
>> at the conclusion of recovery, just prior to entering normal running.
>> I'm wondering if we shouldn't revert to that behavior in both 8.4 and
>> HEAD.
>
> This would be OK as long as we document it well. We patched the
> shutdown the way we did specifically because Fujii thought it would be
> an easy fix; if it's complicated, we should revert it and document the
> issue for DBAs.
I don't understand this comment.
> Oh, and to confirm: the same issue exists, and has always existed, with
> Warm Standby.
That's what I was thinking, but I hadn't gotten around to testing it.
Thanks for the confirmation.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company
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