[Linux-cluster] Slowness of GFS2

Nicolas Ross rossnick-lists at cybercat.ca
Sat Apr 16 02:13:26 UTC 2011


(...)
>> What can I do or what parameter can I tune to help improve this kind of
>> performance ?
>>
> Did you do a sync on the node that you were moving away from before
> starting work on the new node? That should help to speed up the change
> of node. I suspect that the issue is that the utilities are working over
> a large number of small files, and those will take some time to migrate
> to the new node, since it will be accessing each file sequentially.
>
> There have been a few performance improvements recently which may help,
> depending on exactly which kernel you are using at the moment,

Thanks, I will try that. I am at 2.6.32-71.24.1.el6.x86_64, wich I think is 
the latest RHEL6 kernel. 




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