Re: [COMMITTERS] pgsql: Optimize commit_siblings in two ways to improve group commit. - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [COMMITTERS] pgsql: Optimize commit_siblings in two ways to improve group commit.
Date
Msg-id 18903.1291834572@sss.pgh.pa.us
Whole thread Raw
Responses Re: [COMMITTERS] pgsql: Optimize commit_siblings in two ways to improve group commit.  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
Simon Riggs <simon@2ndQuadrant.com> writes:
> Optimize commit_siblings in two ways to improve group commit.
> First, avoid scanning the whole ProcArray once we know there
> are at least commit_siblings active; second, skip the check
> altogether if commit_siblings = 0.

> Greg Smith

I wonder whether we shouldn't change commit_siblings' default value to
zero while we're at it.
        regards, tom lane


pgsql-hackers by date:

Previous
From: Chris Browne
Date:
Subject: Re: unlogged tables
Next
From: "Kevin Grittner"
Date:
Subject: Re: serializable read only deferrable