Wendy Cheng wrote:
>
>> top - 15:50:56 up 20 days, 1:33, 9 users, load average: 3.42, 2.95, 2.38
>>
>> 19200 geo0501 15 0 75076 5224 3480 S 2 0.1 0:07.94 smbd
>>
>> 2336 root 10 -5 0 0 0 S 1 0.0 57:07.70 kjournald
>>
>> 2334 root 10 -5 0 0 0 S 1 0.0 33:19.89 kjournald
>>
>> 2279 root 10 -5 0 0 0 S 0 0.0 15:10.98 md0_raid1
>>
>> 2283 root 10 -5 0 0 0 S 0 0.0 24:45.79 md1_raid1
>>
>> 3935 root 15 0 0 0 0 S 0 0.0 14:04.25 nfsd
>>
>> 3943 root 15 0 0 0 0 S 0 0.0 14:18.43 nfsd
>>
>> 3947 root 15 0 0 0 0 S 0 0.0 13:57.06 nfsd
>>
>> 8325 ed0127 15 0 75044 4812 3264 S 0 0.1 0:01.29 smbd
>>
>
> Intuitively (based on ext3's journal threads info above) I would suspect this
> is due to the change of the export default option from "async" to "sync"
> between 2.6.9 and 2.6.18 kernels. So go to your /etc/exports file and
> explicitly set the export option to "async" to see whether you can get the
> performance back.
>
> e.g. changes "/server *(rw)" to "/server *(async, rw)".
While this may or may not restore your performance aspects, it
is not safe to make this change. The change was made for a
reason.
Please any and all other possibilities before making this change.
It is not free.
Thanx...
ps
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