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SubjectRe: RAID-0 read perf. decrease after 2.4.20


On Thu, 18 Dec 2003, Mike Fedyk wrote:

> On Thu, Dec 18, 2003 at 11:41:11AM -0200, Marcelo Tosatti wrote:
> > On Tue, 16 Dec 2003, Martin Knoblauch wrote:
> > > Just some feedback:
> > >
> > > echo 511 > /proc/sys/vm/max-readahead
> > >
> > > brings back the read performance of my 30 disks on 4 controller
> > > LVM/RAID0.
> >
> > Great.
>
> Maybe a new default is in order?

I believe the defaults have been changed because they harm smaller
workloads.

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