Horton

Re: suboverflowed subtransactions concurrency performance optimize

Julien Rouhaud <rjuju123@gmail.com>

View thread View on postgr.es
From: Julien Rouhaud <rjuju123@gmail.com>
To: Simon Riggs <simon.riggs@enterprisedb.com>
Cc: Dilip Kumar <dilipbalaut@gmail.com>, Andrey Borodin <x4mmm@yandex-team.ru>, Pengchengliu <pengchengliu@tju.edu.cn>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2022-01-15T04:22:02Z
Lists: pgsql-hackers 
Hi,

On Wed, Dec 08, 2021 at 04:39:11PM +0000, Simon Riggs wrote:
> 
> This patch shows where I'm going, with changes in GetSnapshotData()
> and XidInMVCCSnapshot() and XactLockTableWait().
> Passes make check, but needs much more, so this is review-only at this
> stage to give a flavour of what is intended.

Thanks a lot to everyone involved in this!

I can't find any entry in the commitfest for the work being done here.  Did I
miss something?  If not could you create an entry in the next commitfest to
make sure that it doesn't get forgotten?

Commits

  1. Revert "Add single-item cache when looking at topmost XID of a subtrans XID"

  2. Add single-item cache when looking at topmost XID of a subtrans XID

  3. Fix handling of partitioned index in RelationGetNumberOfBlocksInFork()