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From: Heikki Linnakangas on 11 Mar 2010 04:29
Erik Rijkers wrote:
> in a 9.0devel, primary+standby, cvs from 2010.03.04 01:30
>
> With three patches:
>
> new_smart_shutdown_20100201.patch
> extend_format_of_recovery_info_funcs_v4.20100303.patch

Got a link to these two patches? I couldn't find them with a quick search.

> fix-KnownAssignedXidsRemoveMany-1.patch
>
> pg_dump -d $db8.4.2 | psql -d $db9.0devel-primary
>
> FailedAssertion, File: "twophase.c", Line: 1201.
>
> The standby was restarted and seems to catch up OK again.
> ...
> see also:
> http://archives.postgresql.org/pgsql-hackers/2010-02/msg02221.php

I'm still not any wiser on what's causing that, but I've fixed the bug
in KnownAssignedXidsMany() now.

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

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From: Fujii Masao on 11 Mar 2010 04:39
On Thu, Mar 11, 2010 at 6:29 PM, Heikki Linnakangas
<heikki.linnakangas(a)enterprisedb.com> wrote:
> Erik Rijkers wrote:
>> in a 9.0devel, primary+standby, cvs from 2010.03.04 01:30
>>
>> With three patches:
>>
>>   new_smart_shutdown_20100201.patch

http://archives.postgresql.org/pgsql-hackers/2010-01/msg03116.php

>>   extend_format_of_recovery_info_funcs_v4.20100303.patch

http://archives.postgresql.org/pgsql-hackers/2010-03/msg00175.php

> Got a link to these two patches? I couldn't find them with a quick search.

For your convenience, I attached those patches in this post.

Regards,

--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
From: Simon Riggs on 12 Mar 2010 03:39
On Thu, 2010-03-11 at 11:29 +0200, Heikki Linnakangas wrote:

> I'm still not any wiser on what's causing that, but I've fixed the bug
> in KnownAssignedXidsMany() now.

Yeh, I've been mulling this over for a few days now and I can't see a
way that could have happened either.

I agree with your fix and the stronger placement of the Assertion.
Thanks.

I will be doing some further investigation in that area as well, over
next week or so.

--
Simon Riggs www.2ndQuadrant.com


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