[Lustre-discuss] Interpreting stats files
sreedhar at nyu.edu
Fri Nov 7 12:33:03 PST 2014
We use lltop for this.
I believe this tool does exactly what you're planning.
If you already know this please ignore this message.
New York University.
On Fri, Nov 7, 2014 at 3:29 PM, Dragseth Roy Einar <roy.dragseth at uit.no>
> Is there a description of the stats file formats anywhere?
> I'm especially interested in the
> files. For instance, what does the last three numbers on the read_bytes
> or write_bytes lines mean?
> [root at oss1 ~]# cat
> /proc/fs/lustre/obdfilter/uit-OST0009/exports/192.168.255.161 at o2ib/stats
> snapshot_time 1415391739.442581 secs.usecs
> read_bytes 365486 samples [bytes] 2720 1048576 363509372808
> write_bytes 12183 samples [bytes] 7384 1048576 12762602232
> preprw 377677 samples [reqs]
> commitrw 377669 samples [reqs]
> ping 832 samples [reqs]
> (I'm trying to create a simple tool to scan all OSSes and detect the worst
> IO hogs on our system)
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org
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