[Lustre-devel] Any Tools for Lustre IO Request Monitoring

Andrew Uselton acuselton at lbl.gov
Mon Jun 13 10:09:06 PDT 2011

Check out this tool:


You can see some graphs generated by analyzing that data stream here:


There's a lot more in LMT (and Lustre!) than I have explored, but I'd be
happy to discuss what little I do know.

On Thu, Jun 9, 2011 at 1:50 AM, Youyou Lu <yoyolu05 at 163.com> wrote:

> The IO performance drops dramatically as the MPI-IO threads increases over
> 512. I am not sure where the performance problems lie. I am about to collect
> the IO requests to each OST to distinguish the problem of MPI-IO and Lustre.
> But I am not familiar with any Lustre IO monitoring tool. Any suggestions?
> Thanks in advance.
> --
> Youyou Lu
> Tsinghua University
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