[Beowulf] max number of NFS threads: NFS config optimization
jlb17 at duke.edu
Fri Dec 19 22:29:22 EST 2008
On Fri, 19 Dec 2008 at 7:32pm, Rahul Nabar wrote
> More relevant though: Any ways / hacks to monitor , say, for 24 hours
> of system run how many concurrent requests I've had? Perhaps I can
> script something together for diagnostics?
Have a look at the line that starts with "th". The numbers after th
represent, from left to right:
o The number of threads
o The number of times requests have had to wait b/c all threads were busy
o The amount of time 10% of the threads have been busy
o The amount of time 20% of the threads have been busy
o and so on, up to 100% of the threads.
You want that 2nd number (and, by extension, the last number) to be 0 or
at least very low.
QB3 Shared Cluster Sysadmin
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