systems without pread?
Jeremy Allison
jra at samba.org
Fri Dec 19 05:42:29 GMT 2003
On Fri, Dec 19, 2003 at 04:22:37PM +1100, James Peach wrote:
>
> Ok, I have a reasonable amount of data now. It looks like using pread/pwrite
> is not as big a win on Linux as it is on IRIX. There is a gain of 5% - 10%
> in write throughput for low number of clients (<24), but the read
> performance is not significantly different when using pread (+/- a couple of
> %). Metadata workloads (ie. netbench) show no difference. My feeling is that
> if you are running Samba on a platform with (relatively) expensive system
> calls, this will help, otherwise it's pretty neutral.
Ok - this looks great. I'll try and get it in soon (but it may take
a while as I start my christmas vacation in the UK tomorrow...)
Jeremy.
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