Re: [COMMITTERS] pgsql: Make group commit more effective.

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

From: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: pgsql-hackers@postgresql.org
Date: 2012-01-30T21:06:05Z
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. Make group commit more effective.

On 30.01.2012 22:50, Heikki Linnakangas wrote:
> On 30.01.2012 20:27, Robert Haas wrote:
>> Either this patch, or something else committed this morning, is
>> causing "make check" to hang or run extremely slowly for me. I think
>> it's this patch, because I attached to a backend and stopped it a few
>> times, and all the backtraces look like this:
>
> Yeah, sure looks like it's the group commit commit. It works for me, and
> staring at the code, I have no idea what could be causing it. The
> buildfarm seems happy too, so this is pretty mysterious.

And just after sending that, I succeeded to reproduce this. I had to 
lower wal_buffers to a small value to make it happen. I'm debugging this 
now..

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com