On Tuesday May 2, [EMAIL PROTECTED] wrote:
> On Mon, May 01, 2006 at 03:30:19PM +1000, NeilBrown wrote:
> > When a md array has been idle (no writes) for 20msecs it is marked as
> > 'clean'. This delay turns out to be too short for some real
> > workloads. So increase it to 200msec (the time to u
On Mon, May 01, 2006 at 03:30:19PM +1000, NeilBrown wrote:
> When a md array has been idle (no writes) for 20msecs it is marked as
> 'clean'. This delay turns out to be too short for some real
> workloads. So increase it to 200msec (the time to update the metadata
> should be a tiny fraction of t
On Sun, 30 Apr 2006, Andrew Morton wrote:
>
> Generally I don't think we should be teaching the kernel to accept
> pretend-floating-point numbers like this, especially when a) "delay in
> milliseconds" is such a simple concept and b) it's so easy to go from float
> to milliseconds in userspace.
Neil Brown wrote:
On Sunday April 30, [EMAIL PROTECTED] wrote:
NeilBrown <[EMAIL PROTECTED]> wrote:
When a md array has been idle (no writes) for 20msecs it is marked as
'clean'. This delay turns out to be too short for some real
workloads. So increase it to 200msec (the time to update th
Neil Brown <[EMAIL PROTECTED]> wrote:
>
> On Sunday April 30, [EMAIL PROTECTED] wrote:
> > NeilBrown <[EMAIL PROTECTED]> wrote:
> > >
> > >
> > > When a md array has been idle (no writes) for 20msecs it is marked as
> > > 'clean'. This delay turns out to be too short for some real
> > > wo
On Sunday April 30, [EMAIL PROTECTED] wrote:
> NeilBrown <[EMAIL PROTECTED]> wrote:
> >
> >
> > When a md array has been idle (no writes) for 20msecs it is marked as
> > 'clean'. This delay turns out to be too short for some real
> > workloads. So increase it to 200msec (the time to update the m
NeilBrown <[EMAIL PROTECTED]> wrote:
>
>
> When a md array has been idle (no writes) for 20msecs it is marked as
> 'clean'. This delay turns out to be too short for some real
> workloads. So increase it to 200msec (the time to update the metadata
> should be a tiny fraction of that) and make it
When a md array has been idle (no writes) for 20msecs it is marked as
'clean'. This delay turns out to be too short for some real
workloads. So increase it to 200msec (the time to update the metadata
should be a tiny fraction of that) and make it sysfs-configurable.
Signed-off-by: Neil Brown <[
