Re: buffer size in the elevator

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On Sun, Mar 26 2006, Raz Ben-Jehuda(caro) wrote:
> Hello guys.
> first, since there is no mailing lists for the linux elevators i posting
> this mailing lists.
> 
> I am testing the deadline elevator ( 2.6.15 ). i am sending
> buffer sizes of 1M to the target but it seems that buffer no bigger than
> 1/2 MB are reaching the elevator and sometimes page sized buffers.
> 
> Why is that ? Does the bio vector size caueses it?

Hardware inflicted limits, probably. As you don't mention what you are
testing on, one can only guess.

-- 
Jens Axboe

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