Messages in this thread | | | Subject | Re: howto boost write(2) performance? | From | Michael Stiller <> | Date | Thu, 11 Oct 2007 15:50:17 +0200 |
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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
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