[Lustre-discuss] finding clients that is opening/closing files

Wojciech Turek wjt27 at cam.ac.uk
Tue Oct 26 12:42:46 PDT 2010


One way is to check the "/proc/fs/lustre/mds/*/exports/*/stats" files, which
contains per-client statistics.  They can be cleared by writing "0" to the
file, and then check for files with lots of operations.


On 26 October 2010 20:10, Brock Palen <brockp at umich.edu> wrote:

> I have wat I think is a badly behaving user, look at
> /proc/fs/lustre/mds/nobackup-MDT0000/stats
>
> The open/close counters are running about 1000/s,
>
> I would like to track down what clients this is coming from and knock the
> users about fixing there code that are doing this.
>
> how does does look at 'stats by node'  do I need to look at all clients?
>  Or can I get this information from the mds?
> Thanks!
>
> Brock Palen
> www.umich.edu/~brockp <http://www.umich.edu/%7Ebrockp>
> Center for Advanced Computing
> brockp at umich.edu
> (734)936-1985
>
>
>
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>



-- 
Wojciech Turek

Senior System Architect

High Performance Computing Service
University of Cambridge
Email: wjt27 at cam.ac.uk
Tel: (+)44 1223 763517
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