Horton

Re: snapbuild woes

Petr Jelinek <petr.jelinek@2ndquadrant.com>

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From: Petr Jelinek <petr.jelinek@2ndquadrant.com>
To: PostgreSQL-development <pgsql-hackers@postgresql.org>
Cc: Andres Freund <andres@anarazel.de>
Date: 2016-12-10T22:49:40Z
Lists: pgsql-hackers

Attachments

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.

-- 
  Petr Jelinek                  http://www.2ndQuadrant.com/
  PostgreSQL Development, 24x7 Support, Training & Services

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.