Re: [pgsql-patches] xlog lockup patch (was: BUG #2712: - Mailing list pgsql-bugs

From Bruce Momjian
Subject Re: [pgsql-patches] xlog lockup patch (was: BUG #2712:
Date
Msg-id 200701101638.l0AGcKT25777@momjian.us
Whole thread Raw
In response to Re: xlog lockup patch (was: BUG #2712: could not fsync  (TANIDA Yutaka <tanida@sraoss.co.jp>)
List pgsql-bugs
It was considered too risky to backpatch because we couldn't do
sufficient testing.

---------------------------------------------------------------------------

TANIDA Yutaka wrote:
> Hi.
>
> On Mon, 20 Nov 2006 15:33:33 -0500 (EST)
> Bruce Momjian <bruce@momjian.us> wrote:
>
> > Thomas H. wrote:
> > > me wrote:
> > > > i've loaded 1gb of data without any xlog-problems, whereas with the 8.2b2
> > > > executable it locked up after ~100mb. the xlog-files are cycling...
> > > >
> > > > if i need to test for some specific behaviour let me know.
> > >
> > > what's the status on this patch for inclusion in future 8.2 builds? would be
> > > nice to see it in b4 or rc1...
> >
> > This was fixed the day after we packaged beta3:
> >
> >     revision 1.44
> >     date: 2006/11/08 20:12:05;  author: tgl;  state: Exp;  lines: +20 -48
> >     Change Windows rename and unlink substitutes so that they time out after
> >     30 seconds instead of retrying forever.  Also modify xlog.c so that if
> >     it fails to rename an old xlog segment up to a future slot, it will
> >     unlink the segment instead.  Per discussion of bug #2712, in which it
> >     became apparent that Windows can handle unlinking a file that's being
> >     held open, but not renaming it.
> >
> > beta4 will have the fix.
>
> Are there any plan to  backport this patch for 8.1/8.0 server ?
>
> My customer has same problem in 8.1.5 , but this bug doesn't seems to
> be fixed in 8.1.6 .
>
> Backport patch for 8.1.6 attached.
>
> Sorry for replying old mail.
>
> --
> TANIDA Yutaka <tanida@sraoss.co.jp>

[ Attachment, skipping... ]

>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster

--
  Bruce Momjian   bruce@momjian.us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

pgsql-bugs by date:

Previous
From: TANIDA Yutaka
Date:
Subject: Re: xlog lockup patch (was: BUG #2712: could not fsync
Next
From: Marco Behnke
Date:
Subject: Bugreport