<div dir="ltr"><div>Hi,<br></div><div class="gmail-m_1436115692632831859zd-comment" style="color:rgb(43,46,47);font-family:"Lucida Sans Unicode","Lucida Grande","Tahoma",Verdana,sans-serif;font-size:14px;line-height:22px;margin:15px 0px"><p style="color:rgb(43,46,47);font-family:"Lucida Sans Unicode","Lucida Grande","Tahoma",Verdana,sans-serif;font-size:14px;line-height:22px;margin:15px 0px" dir="auto">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.</p><p style="color:rgb(43,46,47);font-family:"Lucida Sans Unicode","Lucida Grande","Tahoma",Verdana,sans-serif;font-size:14px;line-height:22px;margin:15px 0px" dir="auto">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?</p><p style="color:rgb(43,46,47);font-family:"Lucida Sans Unicode","Lucida Grande","Tahoma",Verdana,sans-serif;font-size:14px;line-height:22px;margin:15px 0px" dir="auto">Fri Feb 8 00:52:13 2019<br>snapshot_time 1549615933.091769380 secs.nsecs<br>req_waittime 540323978 samples [usec] 58 689541437 1767362743217 12488011030933825609<br>req_active 540323988 samples [reqs] 1 142007 60970174330 3247243705183378<br>mds_getattr 168893 samples [usec] 82 165621 390916699 1522734684023<br>mds_close 110379799 samples [usec] 64 1231540 17796322782 62011789734542<br>mds_readpage 1236125 samples [usec] 245 10402461 10527744335 1995909318950381<br>mds_connect 6 samples [usec] 186 868 1900 969558<br>mds_get_root 1 samples [usec] 85 85 85 7225<br>mds_statfs 795609 samples [usec] 67 1109562 226674777 4390097174469<br>mds_sync 6769 samples [usec] 361624 689541437 80448645395 7168190473271866793<br>mds_quotactl 1449 samples [usec] 69 18051 551878 2621695252<br>mds_getxattr 1886 samples [usec] 93 13792 419449 525089597<br>mds_hsm_state_set 234556 samples [usec] 77 893155 96605623 1595746930715<br>ldlm_cancel 115821035 samples [usec] 58 5627198 1149359370420 1270415775256810056<br>obd_ping 23932 samples [usec] 87 34096 7061304 6296645618<br>seq_query 38 samples [usec] 87 767 6885 1688653<br>fld_query 3 samples [usec] 84 370 789 256181</p><p style="color:rgb(43,46,47);font-family:"Lucida Sans Unicode","Lucida Grande","Tahoma",Verdana,sans-serif;font-size:14px;line-height:22px;margin:15px 0px" dir="auto">Sincerely yours,<br>Masudul Hasan Masud</p></div></div>