Re: Speedup twophase transactions
Stas Kelvich <s.kelvich@postgrespro.ru>
From: Stas Kelvich <s.kelvich@postgrespro.ru>
To: Michael Paquier <michael.paquier@gmail.com>
Cc: Simon Riggs <simon@2ndquadrant.com>,
PostgreSQL mailing lists <pgsql-hackers@postgresql.org>,
Jesper Pedersen <jesper.pedersen@redhat.com>,
Robert Haas <robertmhaas@gmail.com>
Date: 2016-09-07T08:07:31Z
Lists: pgsql-hackers
> On 07 Sep 2016, at 03:09, Michael Paquier <michael.paquier@gmail.com> wrote: > >>> On 06 Sep 2016, at 12:03, Michael Paquier <michael.paquier@gmail.com> wrote: >>> >>> On Tue, Sep 6, 2016 at 5:58 PM, Stas Kelvich <s.kelvich@postgrespro.ru> wrote: >>>> Oh, I was preparing new version of patch, after fresh look on it. Probably, I should >>>> said that in this topic. I’ve found a bug in sub transaction handling and now working >>>> on fix. >>> >>> What's the problem actually? >> >> Handling of xids_p array in PrescanPreparedTransactions() is wrong for prepared tx's in memory. >> Also I want to double-check and add comments to RecoveryInProgress() checks in FinishGXact. >> >> I’ll post reworked patch in several days. > > Could you use as a base the version I just sent yesterday then? I > noticed many mistakes in the comments, for example many s/it's/its/ > and did a couple of adjustments around the code, the goto next_file > was particularly ugly. That will be that much work not do to again > later. Yes. Already merged branch with your version. -- Stas Kelvich Postgres Professional: http://www.postgrespro.com Russian Postgres Company
Commits
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Speedup 2PC recovery by skipping two phase state files in normal path
- 728bd991c3c4 10.0 landed
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Add tests for two-phase commit
- 30820982b295 10.0 landed
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Improve grammar of message about two-phase state files.
- 38c363adf497 10.0 landed
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Speedup 2PC by skipping two phase state files in normal path
- 978b2f65aa12 9.6.0 cited