Re: Asynchronous I/O Support

From: Bruno Wolff III <bruno(at)wolff(dot)to>
To: Neil Conway <neilc(at)samurai(dot)com>
Cc: Martijn van Oosterhout <kleptog(at)svana(dot)org>, Raja Agrawal <raja(dot)agrawal(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Asynchronous I/O Support
Date: 2006-10-19 20:28:01
Message-ID: 20061019202801.GA4301@wolff.to
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Sun, Oct 15, 2006 at 14:26:12 -0400,
Neil Conway <neilc(at)samurai(dot)com> wrote:
>
> At least according to [1], kernel AIO on Linux still doesn't work for
> buffered (i.e. non-O_DIRECT) files. There have been patches available
> for quite some time that implement this, but I'm not sure when they are
> likely to get into the mainline kernel.
>
> -Neil
>
> [1] http://lse.sourceforge.net/io/aio.html

An improvement is going into 2.6.19 to handle asynchronous vector reads
and writes. This was covered by Linux Weekly News a couple of weeks ago:
http://lwn.net/Articles/201682/

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2006-10-19 20:30:54 Re: Beta, RC Time?
Previous Message Walter Cruz 2006-10-19 20:27:26 Re: Granting all tables in schema by one SQL command