Re: pg_ctl failover Re: Latches, signals, and waiting

Magnus Hagander <magnus@hagander.net>

From: Magnus Hagander <magnus@hagander.net>
To: Tatsuo Ishii <ishii@postgresql.org>
Cc: masao.fujii@gmail.com, heikki.linnakangas@enterprisedb.com, itagaki.takahiro@gmail.com, tgl@sss.pgh.pa.us, pgsql-hackers@postgresql.org
Date: 2011-01-28T07:57:59Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Remove rare corner case for data loss when triggering standby server.

On Fri, Jan 28, 2011 at 08:44, Tatsuo Ishii <ishii@postgresql.org> wrote:
>>> I did s/failover/promote. Here is the updated patch.
>>
>> I rebased the patch to current git master.
>
> I'm thinking about implementing a function which does a promotion for
> the standby. It will make pgpool lot easier to control the promotion
> since it allow to fire the promotion operation (either creating a
> trigger file or sending a signal) via SQL, not ssh etc.

I agree that having this available via SQL would be useful in a number
of cases. pgpool or such being one, but also for example pgadmin.


> If there's enough interest, I will propose such a function for next CF.

Just as a reminder, remember that next CF means 9.2.

-- 
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/