Re: Freeze avoidance of very large table.

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От Robert Haas
Тема Re: Freeze avoidance of very large table.
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Msg-id CA+TgmoZCCFwgKL0PmSi=htfZ2aCOZPoTPD73ecvSA9rhXa0zUw@mail.gmail.com
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Ответ на Re: Freeze avoidance of very large table.  (Michael Paquier <michael.paquier@gmail.com>)
Ответы Re: Freeze avoidance of very large table.  (Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>)
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On Thu, Dec 17, 2015 at 1:17 AM, Michael Paquier
<michael.paquier@gmail.com> wrote:
> I am not really getting the meaning of this sentence. Shouldn't this
> be reworded something like:
> "Freezing occurs on the whole table once all pages of this relation require it."

That statement isn't remotely true, and I don't think this patch
changes that.  Freezing occurs on the whole table once relfrozenxid is
old enough that we think there might be at least one page in the table
that requires it.

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



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