Re: howto boost write(2) performance?

[Andi Kleen]

Michael Stiller <ms@xxxxxxxxxx> 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.

-Andi
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