Horton

Re: snapbuild woes

Craig Ringer <craig.ringer@2ndquadrant.com>

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From: Craig Ringer <craig.ringer@2ndquadrant.com>
To: Petr Jelinek <petr.jelinek@2ndquadrant.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Andres Freund <andres@anarazel.de>
Date: 2016-12-11T07:17:42Z
Lists: pgsql-hackers 
On 11 Dec. 2016 06:50, "Petr Jelinek" <petr.jelinek@2ndquadrant.com> wrote:

On 10/12/16 23:10, Petr Jelinek wrote:
>
> The attached 0002-Skip-unnecessary-snapshot-builds.patch changes this
> behavior so that we don't make snapshots for transactions that we seen
> wholly and know that they didn't make catalog changes even if we didn't
> reach consistency yet.
>

Eh, attached wrong patch. This one is correct.


Attached no patch second time?

Commits

  1. Fix thinko introduced in 2bef06d516460 et al.

  2. Avoid superfluous work for commits during logical slot creation.

  3. Fix race condition leading to hanging logical slot creation.

  4. Don't use on-disk snapshots for exported logical decoding snapshot.

  5. Preserve required !catalog tuples while computing initial decoding snapshot.