Re: SSD slowdown with 3.3.X?

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On 4/20/2012 9:43 PM, Mark Lord wrote:
> On 12-04-20 10:40 PM, Mark Lord wrote:
>> On 12-04-19 10:07 PM, Joe Ceklosky wrote:
>>> Mark,
>>>
>>>
>>> Thanks for the info, but nothing like that shows up:
>>>
>>>
>>> [jceklosk@neptune tmp]$ cat c-3.2.15
>>> noop deadline [cfq]
>>> noop deadline [cfq]
>>>
>>>
>>> [jceklosk@neptune tmp]$ cat c-3.3.2
>>> noop deadline [cfq]
>>> noop deadline [cfq]

Probably not relevant in this case but maybe worth mentioning to get the
word out:

"As of kernel 3.2.12, the default i/o scheduler, CFQ, will defeat much
of the parallelization in XFS."

http://www.xfs.org/index.php/XFS_FAQ

-- 
Stan

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