On Fri, Apr 22, 2011 at 02:31:23PM +0200, folkert wrote:
> Hi,
>
> I noticed something odd:
>
> for(;;) {
>
> // get timestamp in ms start
>
> read(fd, size_of_nbd_request)
>
> // get timestamp in ms end
>
> printf("delay: %f\n", end - start);
>
> // process request
> }
>
> Then, on a localhost-connection with:
> dd if=/dev/zero of=/dev/nbd0
>
> in this setup I noticed that it takes 5ms for the request header to come
> in, but only when the processing takes a while.
> What can be the cause of this?
I'm not sure. I'm aware that nbd-server performance isn't exactly
perfect, and I plan on working on that, but it would involve some
significant work.
--
The volume of a pizza of thickness a and radius z can be described by
the following formula:
pi zz a
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