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