vacuum freeze in 96

From: Torsten Förtsch <tfoertsch123(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: vacuum freeze in 96
Date: 2016-12-13 20:00:18
Message-ID: CAKkG4_nkYnKKSqwom=HM4k_81DmHqPALOuoz6JycrJxRfx-OFg@mail.gmail.com
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Hi,

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.

If I upgrade from 93 using pg_upgrade, that is re-using the data files, can
it still do that? Or do I have to recreate the table?

Thanks,
Torsten

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