[Lustre-discuss] Interpreting stats files

Brock Palen brockp at umich.edu
Mon Nov 10 10:14:11 PST 2014

On Nov 7, 2014, at 6:26 PM, Dilger, Andreas <andreas.dilger at intel.com> wrote:
> On 2014/11/07, 4:06 PM, "Dragseth Roy Einar" <roy.dragseth at uit.no> wrote:
>> Many thanks for the quick replies.  lltop seems to be a good start for a
>> tool to single out the heaviest IO users. Just need to create a wrapper
>> that maps the node names to torque jobids.
>> Have a nice weekend!
> If you have Lustre 2.4 or later, you can enable the "Jobstats" aka "JobID"
> functionality in Lustre and it will handle the mapping of RPC statistics
> to Torque jobids already.
> This is described in the Lustre User Manual.
This is cool never seen it before!  


Question though, is it really per job? Or is it per node combining multi node jobs into one set of stats?

In our case we allow multiple jobs on a node, would job A and job B on the same node each have their own stats? Or will their stats overlap?

> Cheers, Andreas
> -- 
> Andreas Dilger
> Lustre Software Architect
> Intel High Performance Data Division
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