Re: Performance drop in Linux 2.4.19-XFS 1.2 ?

[Craig Tierney <ctierney@xxxxxxxx>]

On Wed, Jul 30, 2003 at 09:43:50PM +0200, Seth Mos wrote:
> At 13:24 30-7-2003 -0600, Craig Tierney wrote:
> 
> >Sorry if this is a repeat, I haven't seen the whole
> >thread.  Did you try increasing the scsi max readahead?
> 
> I found them already since new something like this existed in proc :-)
> 
> >   echo "511" > /proc/sys/vm/max-readahead
> >    echo "127" > /proc/sys/vm/min-readahead
> 
> I used 512 and 128 but it works!

Great.  I used 2^n-1 becuase that is how they
were set initially (31).  

Craig

Craig Tierney (ctierney@xxxxxxxx)