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Date: Thu, 08 Oct 2009 10:42:18 +0200
From: Attila Nagy <bra@fsn.hu>
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To: Pawel Jakub Dawidek <pjd@FreeBSD.org>
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Cc: freebsd-fs@FreeBSD.org
Subject: Re: ARC size constantly shrinks, then ZFS slows down extremely
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Hello,

Pawel Jakub Dawidek wrote:
> On Fri, Oct 02, 2009 at 09:59:03AM +0200, Attila Nagy wrote:
>   
>> Backing out this change from the 8-STABLE kernel:
>> http://svn.freebsd.org/viewvc/base/head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c?r1=191901&r2=191902
>>
>> makes it survive about half and hour of IMAP searching. Of course only 
>> time will tell whether this helps in the long run, but so far 10/10 
>> tries succeeded to kill the machine with this method...
>>     
>
> Could you try this patch:
>
> 	http://people.freebsd.org/~pjd/patches/arc.c.4.patch
>   
It seems (after running for two days) that this fixes my problem. And I 
see that Kip has came out with a similar version (which I couldn't yet 
test, but hope that will also do).

Thanks!