Re: Keepalive for max_standby_delay - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Keepalive for max_standby_delay
Date
Msg-id 1277709468.25074.63629.camel@ebony
Whole thread Raw
In response to Re: Keepalive for max_standby_delay  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Keepalive for max_standby_delay  (Robert Haas <robertmhaas@gmail.com>)
Re: Keepalive for max_standby_delay  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Wed, 2010-06-16 at 21:56 -0400, Tom Lane wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
> > On Wed, Jun 9, 2010 at 8:01 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> >> Yes, I'll get with it ...
> 
> > Any update on this?
> 
> Sorry, I've been a bit distracted by other responsibilities (libtiff
> security issues for Red Hat, if you must know).  I'll get on it shortly.

I don't think the PostgreSQL project should wait any longer on this. If
it does we risk loss of quality in final release, assuming no slippage.

>From here, I will rework my patch of 31 May to
* use arrival time on standby as base for max_standby_delay
* make delay apply to both streaming and file cases
* min_standby_grace_period - min grace on every query, default 0

Decision time, so thoughts please?

-- Simon Riggs           www.2ndQuadrant.com




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