From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
Cc: | pgsql-patches(at)postgresql(dot)org |
Subject: | Re: autovacuum multiworkers, patch 5 |
Date: | 2007-04-12 12:42:51 |
Message-ID: | 20070412124251.GA5783@alvh.no-ip.org |
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Thread: | |
Lists: | pgsql-hackers pgsql-patches |
ITAGAKI Takahiro wrote:
>
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> wrote:
>
> > > > I manually merged your patch on top of my own. This is the result.
> > > > Please have a look at whether the new code is correct and behaves sanely
> > > > (I haven't tested it).
> >
> > Huh, you are right, it is broken, even in my outgoing mailbox -- I don't
> > know what happened, as the file I have on disk is complete. Here is
> > attached again.
>
> I tested your patch on Linux and Windows. It works well on Linux,
> where we use fork(), but falls into segfault on Windows, where we
> use exec(). Maybe you forgot to initialize the shared memory stuff.
> (I haven't find out where to be fixed, sorry.)
Ok, thanks, this confirms that I have to try the EXEC_BACKEND code path.
> Multiworker and balancing seem to work well after they successfully start up.
Great.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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