Hi, I am very new to Lustre and I am trying to get idea about the lustre monitoring system. I have collected the stats from "/proc/fs/lustre". Unfortunately I couldn't understand what does these data are actually mean. I have tried to go through Lustre documentation and user guide to get understanding of the data. But had no luck.
I will be grateful if you can help me to understand these log files. This is a sample of stats for metadat server. But I am not sure how can I interpret these stat. what does "mds_getattr"/mds_get_root/mds_quotactl means? Fri Feb 8 00:52:13 2019 snapshot_time 1549615933.091769380 secs.nsecs req_waittime 540323978 samples [usec] 58 689541437 1767362743217 12488011030933825609 req_active 540323988 samples [reqs] 1 142007 60970174330 3247243705183378 mds_getattr 168893 samples [usec] 82 165621 390916699 1522734684023 mds_close 110379799 samples [usec] 64 1231540 17796322782 62011789734542 mds_readpage 1236125 samples [usec] 245 10402461 10527744335 1995909318950381 mds_connect 6 samples [usec] 186 868 1900 969558 mds_get_root 1 samples [usec] 85 85 85 7225 mds_statfs 795609 samples [usec] 67 1109562 226674777 4390097174469 mds_sync 6769 samples [usec] 361624 689541437 80448645395 7168190473271866793 mds_quotactl 1449 samples [usec] 69 18051 551878 2621695252 mds_getxattr 1886 samples [usec] 93 13792 419449 525089597 mds_hsm_state_set 234556 samples [usec] 77 893155 96605623 1595746930715 ldlm_cancel 115821035 samples [usec] 58 5627198 1149359370420 1270415775256810056 obd_ping 23932 samples [usec] 87 34096 7061304 6296645618 seq_query 38 samples [usec] 87 767 6885 1688653 fld_query 3 samples [usec] 84 370 789 256181 Sincerely yours, Masudul Hasan Masud
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