Re: pgsql: Ensure that XLOG_HEAP2_VISIBLE always targets an initialized pag

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От Stefan Kaltenbrunner
Тема Re: pgsql: Ensure that XLOG_HEAP2_VISIBLE always targets an initialized pag
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Msg-id 528FAAA7.6050003@kaltenbrunner.cc
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Ответ на Re: pgsql: Ensure that XLOG_HEAP2_VISIBLE always targets an initialized pag  (Andres Freund <andres@2ndquadrant.com>)
Ответы Re: pgsql: Ensure that XLOG_HEAP2_VISIBLE always targets an initialized pag  (Bruce Momjian <bruce@momjian.us>)
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On 11/18/2013 10:40 PM, Andres Freund wrote:
> On 2013-11-18 16:33:25 -0500, Bruce Momjian wrote:
>> On Sun, Nov 10, 2013 at 11:51:06PM +0100, Andres Freund wrote:
>>> Hi,
>>>
>>> On 2013-06-06 14:22:12 +0000, Robert Haas wrote:
>>>> Ensure that XLOG_HEAP2_VISIBLE always targets an initialized page.
>>>
>>> This didn't make it to the release notes for 9.2.5. Since there have
>>> been several people asking for it since, can we maybe add it
>>> retroactively?
>>
>> OK, what text would I use?  This?
>>
>>     * Prevent unitialized heap pages from causing standby replay
>>       failures
>
> Maybe:
>
> * Prevent errors in WAL replay due to references to unitilizated empty
>   pages in vacuum.

s/unitilizated/uninitialized I guess - also not sure the "in vacuum"
makes the actual issue very clear.



Stefan


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