18 Feb
2006
18 Feb
'06
12:55 p.m.
On Sat, 2006-02-18 at 00:47 -0800, Kevin Cosgrove wrote:
On 18 February 2006 at 0:15, Lee Revell
<rlrevell(a)joe-job.com> wrote:
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
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?