samba - Nov 2005 - What does the value for "aio write size" and "aio read size" represent?

I'm looking into trying out AIO on one of our file servers in the office but
I can't find any info on what the values for "aio read size" and
"aio write
size" correspond to. Is it a buffer size of some sort or a tuning type
parameter were it allows the socket to read/write x blocks?

Thanks,
David Miller

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David Miller wrote:
> I'm looking into trying out AIO on one of our file servers in 
> the office but I can't find any info on what the values for
> "aio read size" and "aio write size" correspond to. Is
it
> a buffer size of some sort or a tuning type
> parameter were it allows the socket to read/write x blocks?
It's a thresh-hold parameter IIRC.  Any buffers larger than
the the option value will be schedule for AIO.  And the parameter
value represents bytes (not Kb).







cheers, jerry
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On Tue, Nov 08, 2005 at 10:49:49AM -0500, David Miller
wrote:
> I'm looking into trying out AIO on one of our file servers in the
office but
> I can't find any info on what the values for "aio read size"
and "aio write
> size" correspond to. Is it a buffer size of some sort or a tuning type
> parameter were it allows the socket to read/write x blocks?
It's a disk i/o tuning parameter. I'm committed to documenting this
for 3.0.21.

Jeremy.