From owner-freebsd-fs@FreeBSD.ORG  Thu Mar 22 00:18:13 2012
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From: andy thomas <andy@time-domain.co.uk>
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Cc: freebsd-fs@freebsd.org
Subject: Re: ZFS read/write performance slows with time
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On Wed, 21 Mar 2012, Artem Belevich wrote:

> On Wed, Mar 21, 2012 at 4:56 PM, andy thomas <andy@time-domain.co.uk> wrote:
>> A server running 64-bit FreeBSD 8.0 boots from a SATA disk and then mounts a
> ...
>> But over a period of time, this performance begins to deteriorate and after
>> 180 days of uptime
>
> If it's indeed 8.0 that you are running, I would strongly recommend
> upgrading to 8-STABLE or 8.3 when it's released.
> A *lot* of things in ZFS got fixed/improved since ZFSv13 in 8.0.

It's running 8.0-RELEASE. I've not seen these gradual deterioration 
problems with 8.2-RELEASE (or indeed on OpenSolaris SPARC and OpenIndiana 
servers).

Thanks for the quick reply.

Andy