Re: [Lse-tech] Re: ext3 performance bottleneck as the number of spindles gets large

[John Hawkes]

From: "Dave Hansen" <[e-mail]>
> > We'll report out our findings on the lock contention, and throughput
> > data for some other FS then.  I'd like recommendations on what file
> > systems to try, besides ext2.
>
> Do you really need a journaling FS?  If not, I think ext2 is a sure
> bet to be the fastest.  If you do need journaling, try reiserfs and
jfs.

XFS in 2.4.x scales much better on larger CPU counts than do ext3 or
ReiserFS.  That's because XFS is a much lighter user of the BKL in 2.4.x
than ext3, ReiserFS, or ext2.

John Hawkes
[e-mail]