Re: pg_stop_backup does not complete

Joshua D. Drake <jd@commandprompt.com>

From: "Joshua D. Drake" <jd@commandprompt.com>
To: Josh Berkus <josh@agliodbs.com>
Cc: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, Simon Riggs <simon@2ndQuadrant.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-02-24T20:37:07Z
Lists: pgsql-hackers
On Wed, 2010-02-24 at 12:32 -0800, Josh Berkus wrote:
> > pg_stop_backup() doesn't complete until all the WAL segments needed to
> > restore from the backup are archived. If archive_command is failing,
> > that never happens.
> 
> OK, so we need a way out of that cycle if the user is issuing
> pg_stop_backup because they *already know* that archive_command is
> failing.  Right now, there's no way out other than a fast shutdown,
> which is a bit user-hostile.

Hmmm well... changing the archive_command to /bin/true and issuing a HUP
would cause the command to succeed, but I still think that is over the
top. I prefer Kevin's solution or some variant thereof:

http://archives.postgresql.org/pgsql-hackers/2010-02/msg01853.php
http://archives.postgresql.org/pgsql-hackers/2010-02/msg01907.php


Sincerely,

Joshua D. Drake



-- 
PostgreSQL.org Major Contributor
Command Prompt, Inc: http://www.commandprompt.com/ - 503.667.4564
Consulting, Training, Support, Custom Development, Engineering
Respect is earned, not gained through arbitrary and repetitive use or Mr. or Sir.