Re: filesystem benchmarking fun

[Chuck Ebbert]

Chris Mason wrote:
> For example, I'll pick on xfs for a minute.  compilebench shows the
> default FS you get from mkfs.xfs is pretty slow for untarring a bunch of
> kernel trees.  Dave Chinner gave me some mount options that make it
> dramatically better, but it still writes at 10MB/s on a sata drive that
> can do 80MB/s.  Ext3 is better, but still only 20MB/s. 
> 

Now try JFS. My lawn grows faster than it can write a new kernel tree.

What we need is a tool that shows *why* this stuff happens...

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/