6:55 p.m.
I'm pretty sure this was recently added to the Lustre manual.
Cheers, Andreas
On Apr 18, 2014, at 11:31, "John Bauer"
<bauerj@iodoctors.com<mailto:bauerj@iodoctors.com>> wrote:
The following file apparently has Lustre OSC stats in it. Is there documentation
available that
indicates what each of the lines means. In particular, what is the difference between
read_bytes and ost_read?
Are the values the running totals for the row since file system mount?
John
/proc/fs/lustre/osc/snx11015-OST0000-osc-ffff8808381e0000/stats
snapshot_time 1397841718.126663 secs.usecs
req_waittime 2370938 samples [usec] 64 11992149 11787252572 2139161199259986
req_active 2370938 samples [reqs] 1 252 3961773 27928693
read_bytes 81641 samples [bytes] 0 1048576 49692607499 51037352316634067
write_bytes 146046 samples [bytes] 2 1048576 118340950281
122537746430813161
ost_setattr 24696 samples [usec] 93 936337 45466625 3251232572025
ost_read 81641 samples [usec] 133 510339 710744844 27099012628290
ost_write 146046 samples [usec] 8172 2551890 10266664753 1651144117197951
ost_destroy 61266 samples [usec] 112 11992149 191880022 306113736622700
ost_get_info 281 samples [usec] 128 1196 139459 79825089
ost_connect 1 samples [usec] 455 455 455 207025
ost_punch 2238 samples [usec] 124 51836 1141645 9568413975
ost_statfs 448 samples [usec] 120 50275 255436 4579695620
ost_sync 448 samples [usec] 219 1510 185503 80068341
ldlm_cancel 331307 samples [usec] 71 251227 174384435 6559962480531
obd_ping 6148 samples [usec] 122 11676031 14657745 136341998948419
--
John Bauer
I/O Doctors LLC
507-766-0378
bauerj@iodoctors.com<mailto:bauerj@iodoctors.com>
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