lkml.org 
[lkml]   [2007]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: howto boost write(2) performance?
From
Date
On Tue, 2007-10-09 at 16:56 +0200, Andi Kleen wrote:
> Michael Stiller <ms@2scale.net> writes:
> >
> > The write(2) performance is not good enough, the writer threads take to
> > much time, and i ask you for ideas, howto to boost the write
> > performance.
>
> You could use an O_DIRECT write if the data is suitably aligned
> and your IO sizes are big enough (O_DIRECT is usually a loss
> on small IOs). It will also be synchronous, but if you do it
> from a separate thread anyways that should be fine.

Thanks to all who answered and especially to Andi. Using O_DIRECT did
the trick.

Cheers,

Michael


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-10-11 15:53    [W:0.076 / U:8.968 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site