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From: Bruce Momjian <[email protected]>
To: Fujii Masao <[email protected]>
Cc: Marko Tiikkaja <[email protected]>
Cc: pgsql-docs <[email protected]>
Subject: Re: hot_standby_feedback and max_standby_archive_delay
Date: Thu, 17 Apr 2014 10:53:34 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On Wed, Apr 16, 2014 at 02:51:15PM -0400, Bruce Momjian wrote:
> On Mon, Feb  3, 2014 at 01:08:44AM +0900, Fujii Masao wrote:
> > On Fri, Jan 17, 2014 at 8:38 AM, Marko Tiikkaja <[email protected]> wrote:
> > > Hi,
> > >
> > > Myself and others found this statement in the documentation about $SUBJECT
> > > very confusing: "max_standby_archive_delay must be kept large in this case,
> > > because delayed WAL files might already contain entries that conflict with
> > > the desired standby queries.".  After a chat with Andres I've tried to make
> > > it clearer what said statement tries to convey.
> > >
> > > Did I succeed?
> > 
> > Don't we need to increase also max_standby_streaming_delay
> > in the case that you mentioned in the patch? When the standby
> > successfully reconnects to the master, lots of WAL files would
> > be streamed and they might already have WAL entries that
> > conflict with standby queries. No?
> 
> I have developed the attached doc patch to improve the wording on this
> topic.

Patch applied.

-- 
  Bruce Momjian  <[email protected]>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +


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