Help ZFS FreeBSD 8.0 RC2 Write performance issue

Scott Ullrich sullrich at gmail.com
Fri Nov 13 01:05:58 UTC 2009


On Thu, Nov 12, 2009 at 7:56 PM, Ivan Voras <ivoras at freebsd.org> wrote:
> 2009/11/13 Scott Ullrich <sullrich at gmail.com>:
> I know it's a bit late now that you've settled on your equipment but
> did you try discovering why you get performance so low you need SSDs
> to cope? I think I've read somewhere that disabling ZIL should help
> NFS performance - did you try it?

I did try disabling ZIL and the performance was much better but I am overly
cautious and would rather have it on.

> Did you test your workload directly on the ZFS volume (without NFS) or with
> another network file system like Samba?

No, I was focused on NFS since this was originally a storage server for VMWare
via NFS but since has been converted into a web server.

Scott


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