Re: track_commit_timestamp and COMMIT PREPARED

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От Robert Haas
Тема Re: track_commit_timestamp and COMMIT PREPARED
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Msg-id CA+TgmoZ7C25T+vMLyeEze8Ddx1w3cH76m7orVvr4KObd5f1ghw@mail.gmail.com
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Ответ на Re: track_commit_timestamp and COMMIT PREPARED  (Andres Freund <andres@anarazel.de>)
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On Tue, Aug 4, 2015 at 1:18 PM, Andres Freund <andres@anarazel.de> wrote:
> On 2015-08-04 13:16:52 -0400, Robert Haas wrote:
>> On Mon, Aug 3, 2015 at 10:31 AM, Fujii Masao <masao.fujii@gmail.com> wrote:
>> > track_commit_timestamp tracks COMMIT PREPARED as expected in standby server,
>> > but not in master server. Is this intentional? It should track COMMIT PREPARED
>> > even in master? Otherwise, we cannot use commit_timestamp feature to check
>> > the replication lag properly while we use 2PC.
>>
>> That sounds like it must be a bug.  I think you should add it to the
>> open items list.
>
> Yea, completely agreed. It's probably because twophase.c duplicates a
> good bit of xact.c. How about we also add a warning to the respective
> places that one should always check the others?

Sounds like a good idea.  Or we could try to, heh heh, refactor away
the duplication.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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