Re: Sync Rep and shutdown Re: Sync Rep v19 - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: Sync Rep and shutdown Re: Sync Rep v19
Date
Msg-id 1300474501-sup-980@alvh.no-ip.org
Whole thread Raw
In response to Re: Sync Rep and shutdown Re: Sync Rep v19  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Sync Rep and shutdown Re: Sync Rep v19
List pgsql-hackers
Excerpts from Robert Haas's message of vie mar 18 14:25:16 -0300 2011:
> On Fri, Mar 18, 2011 at 1:15 PM, Simon Riggs <simon@2ndquadrant.com> wrote:

> > SyncRepUpdateSyncStandbysDefined() is added into walwriter, which means
> > waiters won't be released if we do a sighup during a fast shutdown,
> > since the walwriter gets killed as soon as that starts. I'm thinking
> > bgwriter should handle that now.
> 
> Hmm.  I was thinking that doing it in WAL writer would make it more
> responsive, but since this is a fairly unlikely scenario, it's
> probably not worth complicating the shutdown sequence to do it the way
> I did.  I'll move it to bgwriter.

Can't they both do it?

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


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