Re: Avoid excessive time spend on concurrent slab shrinking

Christoph Lameter
2006-04-01T18:49:14Z

On Sun, 2 Apr 2006, David Chinner wrote:

> same hash chain, which tends to implicate not enough hash buckets.
>
> > If its useful for experimenting, Christoph, you can easily tweak the
> > cluster hash size manually by dinking with xfs_iget.c::xfs_chash_init.
>
> Just use the ihashsize mount option - the cluster hash size is proportional
> to the inode hash size which is changed by the ihashsize mount option.
>
> Cheers,

XFS settings visible via /proc/mounts are

rw,ihashsize=32768,sunit=32,swidth=25

Not enough hash buckets? This was the default selection by xfs.