From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
---|---|
To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Separating bgwriter and checkpointer |
Date: | 2011-09-16 01:38:55 |
Message-ID: | CAHGQGwEH=D3qZ8Z-J873=vsKy1ejuWTyXPQU0qSjeCDY0bsgsA@mail.gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
On Fri, Sep 16, 2011 at 7:53 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> This patch splits bgwriter into 2 processes: checkpointer and
> bgwriter, seeking to avoid contentious changes. Additional changes are
> expected in this release to build upon these changes for both new
> processes, though this patch stands on its own as both a performance
> vehicle and in some ways a refcatoring to simplify the code.
I like this idea to simplify the code. How much performance gain can we
expect by this patch?
> Current patch has a bug at shutdown I've not located yet, but seems
> likely is a simple error. That is mainly because for personal reasons
> I've not been able to work on the patch recently. I expect to be able
> to fix that later in the CF.
You seem to have forgotten to include checkpointor.c and .h in the patch.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
From | Date | Subject | |
---|---|---|---|
Next Message | Fujii Masao | 2011-09-16 02:54:33 | Re: unite recovery.conf and postgresql.conf |
Previous Message | Andrew Dunstan | 2011-09-15 23:02:58 | Re: psql setenv command |