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

Fujii Masao <masao.fujii@gmail.com>

From: Fujii Masao <masao.fujii@gmail.com>
To: Magnus Hagander <magnus@hagander.net>
Cc: Tatsuo Ishii <ishii@postgresql.org>, heikki.linnakangas@enterprisedb.com, itagaki.takahiro@gmail.com, tgl@sss.pgh.pa.us, pgsql-hackers@postgresql.org
Date: 2011-01-28T08:33:50Z
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 4:57 PM, Magnus Hagander <magnus@hagander.net> wrote:
> 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.

Agreed. I submitted the patch before, but I forgot to update it
and add it to CF.
http://archives.postgresql.org/message-id/AANLkTimuHbxbuM+zLkaEX3aDqSeiMUE3xb4ww1QtsLmf@mail.gmail.com

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center