Horton

Re: Speedup twophase transactions

Alvaro Herrera <alvherre@2ndquadrant.com>

View thread View on postgr.es
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Jesper Pedersen <jesper.pedersen@redhat.com>
Cc: Stas Kelvich <s.kelvich@postgrespro.ru>, Michael Paquier <michael.paquier@gmail.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>, Robert Haas <robertmhaas@gmail.com>, Simon Riggs <simon@2ndquadrant.com>
Date: 2016-05-20T16:46:49Z
Lists: pgsql-hackers 
Jesper Pedersen wrote:

> Discussed with Noah off-list I think we should revisit this for 9.6 due to
> the async replica lag as shown in [1]. The performance improvement for the
> master node is shown in [2].

I gave a very quick look and it seems to me far more invasive than we
would normally consider in the beta period.  I would just put it to
sleep till release 10 opens up.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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