On Sat, 2006-02-18 at 00:47 -0800, Kevin Cosgrove wrote:
> On 18 February 2006 at 0:15, Lee Revell <rlrevell@email-addr-hidden-job.com> wrote:
>
> > This helps a lot:
> > echo 64 > /sys/block/hdc/queue/max_sectors_kb
> > (replace hdc with your drive, repeat for all of them)
>
> Interesting. What does that do?
It limits the amount of disk IO that can be "in flight" at once, which
limits the amount of work the IDE driver will do in a single interrupt,
which improves the worst case disk IO induced latency.
It's not going to help with an -rt kernel, only mainline.
I'd be interested to see what results people get...
Lee
Received on Sun Feb 26 20:15:13 2006
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