Re: xfs_fsr, sunit, and swidth

[Stefan Ring <stefanrin@xxxxxxxxx>]

> Lastly, I will mention that I see almost 0% wa when watching top.

I notice that XFS in general will report less % wa than ext4, although
it exercises the disks a bit more when traversing a large directory
tree, for example. But with 64 cores, you will see at most 1.5% in top
anyway, if one process is doing nothing but waiting on the disk.