Horton

Re: Speedup twophase transactions

Jesper Pedersen <jesper.pedersen@redhat.com>

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From: Jesper Pedersen <jesper.pedersen@redhat.com>
To: Robert Haas <robertmhaas@gmail.com>, Stas Kelvich <s.kelvich@postgrespro.ru>
Cc: Simon Riggs <simon@2ndquadrant.com>, Andres Freund <andres@anarazel.de>, Alvaro Herrera <alvherre@2ndquadrant.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2016-04-08T18:55:15Z
Lists: pgsql-hackers 
On 04/08/2016 02:42 PM, Robert Haas wrote:
> On Tue, Jan 26, 2016 at 7:43 AM, Stas Kelvich <s.kelvich@postgrespro.ru> wrote:
>> Hi,
>>
>> Thanks for reviews and commit!
>
> I apologize for being clueless here, but was this patch committed?
> It's still marked as "Needs Review" in the CommitFest application.
>

There are 2 parts to this - both in the same email thread.

Part 1 [0] dealt with 2-phase commits on the master node. Part 2 [1] 
deals with replaying on slaves, which currently shows lag.

There is still an open item found by Michael, so part 2 isn't ready to 
be moved to "Ready for Committer" yet.

[0] 
http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=978b2f65aa1262eb4ecbf8b3785cb1b9cf4db78e
[1] https://commitfest.postgresql.org/9/523/

Best regards,
  Jesper

Commits

  1. Speedup 2PC recovery by skipping two phase state files in normal path

  2. Add tests for two-phase commit

  3. Improve grammar of message about two-phase state files.

  4. Speedup 2PC by skipping two phase state files in normal path