Thanks for your advice Ron. The point is that I want to monitor how much time each OSS spends on the data
transfer on the network and how much time it spends on accessing the disk for a specific application. Is there any tool that can achieve such dissection without modifying the Lustre code? On Thu, Feb 19, 2015 at 4:11 PM, Ron Croonenberg <[email protected]> wrote: > That depends on the number of IO nodes, compute nodes, lanes, switches > LNETS, OSSs etc etc. it is hard telling > > On 02/19/2015 03:00 PM, teng wang wrote: > >> Thanks for all your answers. I just took some time to understand >> how Obdfilter-survey works. It works fine for the Lustre local filesystem. >> But is there any Lustre tool that can directly profile the time spent >> on the network and on the disk for an application running at the >> user level? >> >> T >> >> On Thu, Feb 19, 2015 at 10:47 AM, teng wang <[email protected] >> <mailto:[email protected]>> wrote: >> >> Is there any way to benchmark the local filesystem performance of >> >> Lustre on the OSS side? For example, I want to benchmark the random >> >> and sequential I/O bandwidth of the local filesystem of Lustre 2.5 >> using IOR. >> >> Is there anyway to run IOR directly on its local filesystem without >> having >> >> to go through the network? >> >> >> Thanks! >> >> Teng >> >> >> >> >> _______________________________________________ >> Lustre-discuss mailing list >> [email protected] >> http://lists.lustre.org/mailman/listinfo/lustre-discuss >> >> _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss >
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