Re: COMMIT NOWAIT Performance Option

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: COMMIT NOWAIT Performance Option
Date: 2007-02-27 02:44:34
Message-ID: 1172544275.10824.334.camel@dogma.v10.wvs
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Mon, 2007-02-26 at 22:56 +0000, Simon Riggs wrote:
> Proposal: Implement a new option for COMMIT, for enhancing performance,
> providing a MySQL-like trade-off between performance and robustness for
> *only* those that want it.
>
> COMMIT NOWAIT
>
> This form of COMMIT will *not* perform XLogFlush(), but will rely on a
> special background process to perform regular WAL fsyncs (see later).
>

I would think that the type of people who would want this feature would
want it to be a property of the connection, not per-statement. For one
thing, many applications use solitary SQL statements without surrounding
them in BEGIN/COMMIT.

Regards,
Jeff Davis

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2007-02-27 02:46:59 Re: Seeking Google SoC Mentors
Previous Message Galy Lee 2007-02-27 02:44:28 Re: Resumable vacuum proposal and design overview