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Re: [GENERAL] vacuum freeze in 96 - Mailing list pgsql-general

From Michael Paquier
Subject Re: [GENERAL] vacuum freeze in 96
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Msg-id CAB7nPqQH9Ftf_TPDEbYJz4sR6qrdBmu3BuMVY3Le7zauKqsbLA@mail.gmail.com
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In response to [GENERAL] vacuum freeze in 96  (Torsten Förtsch <tfoertsch123@gmail.com>)
Responses Re: [GENERAL] vacuum freeze in 96
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On Wed, Dec 14, 2016 at 5:00 AM, Torsten Förtsch <tfoertsch123@gmail.com> wrote:
> one of the major enhancements in 96 is skipping completely frozen pages in
> vacuum freeze. I assume that requires a special bit on the page.

The freeze map uses an additional bit in the vm, and pg_upgrade would
take care of the conversion.
--
Michael

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