Re: Streaming Replication: Checkpoint_segment and wal_keep_segments on standby

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От Fujii Masao
Тема Re: Streaming Replication: Checkpoint_segment and wal_keep_segments on standby
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Msg-id AANLkTil6a8IRZSJFBJ-MxDP8pGvamdmapczDtI-Adb1D@mail.gmail.com
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Ответ на Re: Streaming Replication: Checkpoint_segment and wal_keep_segments on standby  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Ответы Re: Streaming Replication: Checkpoint_segment and wal_keep_segments on standby  (Fujii Masao <masao.fujii@gmail.com>)
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On Wed, Jun 2, 2010 at 8:40 PM, Heikki Linnakangas
<heikki.linnakangas@enterprisedb.com> wrote:
> On 02/06/10 06:23, Fujii Masao wrote:
>>
>> On Mon, May 31, 2010 at 7:17 PM, Fujii Masao<masao.fujii@gmail.com>
>>  wrote:
>>>
>>> 4) Change it so that checkpoint_segments takes effect in standby mode,
>>> but not during recovery otherwise
>>
>> I revised the patch to achieve 4). This will enable checkpoint_segments
>> to trigger a restartpoint like checkpoint_timeout already does, in
>> standby mode (i.e., streaming replication or file-based log shipping).
>
> Hmm, XLogCtl->Insert.RedoRecPtr is not updated during recovery, so this
> doesn't work.

Oops! I revised the patch, which changes CreateRestartPoint() so that
it updates XLogCtl->Insert.RedoRecPtr.

Regards,

--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center

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