On Tue, May 3, 2016 at 6:48 AM, Andres Freund <and...@anarazel.de> wrote:
> Hi,
> The freeze map changes, besides being very important, seem to be one of
> the patches with a high risk profile in 9.6.  Robert had asked whether
> I'd take a look.  I thought it'd be a good idea to review that while
> running tests for
> http://www.postgresql.org/message-id/CAMkU=1w85Dqt766AUrCnyqCXfZ+rsk1witAc_=v5+pce93s...@mail.gmail.com

Thank you for reviewing.

> For starters, I'm just going through the commits. It seems the relevant
> pieces are:
> a892234 Change the format of the VM fork to add a second bit per page.
> 77a1d1e Department of second thoughts: remove PD_ALL_FROZEN.
> fd31cd2 Don't vacuum all-frozen pages.
> 7087166 pg_upgrade: Convert old visibility map format to new format.
> ba0a198 Add pg_visibility contrib module.
> did I miss anything important?

That's all.


Masahiko Sawada

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