ZFS performance

Nick Gustas freebsd-fs at tychl.net
Tue May 29 14:54:10 UTC 2007


Ståle Kristoffersen wrote:
> On 2007-05-14 at 10:42, Nick Gustas wrote:
>   
>> I see the same behavior that Ståle is seeing, I can "fix" it by setting 
>> vfs.zfs.prefetch_disable="1" in loader.conf.  I'm assuming something in 
>> the prefetch code isn't quite right?
>>     
>
> Ah, this _greatly_ improved the usability of my fileserver! Thanks for the
> tip :)
>
>   
>> I believe I saw similar behavior in 
>> solaris 10 when playing with ZFS a few weeks ago, but I need to revisit 
>> that machine or install opensolaris on this one before I can be sure.
>>     
>
> Did you get around to checking this out?
>
>   

Unfortunately no, I had some unexpected travel come up, and the test 
Ultra 20s I had access to were deployed while I was on the road.






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