== sanity test 51f: check many open files limit ========== 20:33:54 (1785458034)
MDT0 numfree=     529834, max=100000
changed ulimit from 1024 to 100020
 - open/keep 841 (time 1785458050.52 total 10.00 last 84.07)
 - open/keep 1629 (time 1785458060.53 total 20.01 last 78.76)
 - open/keep 2524 (time 1785458070.53 total 30.02 last 89.42)
 - open/keep 3363 (time 1785458080.55 total 40.03 last 83.77)
 - open/keep 4259 (time 1785458090.55 total 50.03 last 89.60)
 - open/keep 5053 (time 1785458100.56 total 60.05 last 79.30)
 - open/keep 5648 (time 1785458110.57 total 70.05 last 59.47)
 - open/keep 6296 (time 1785458120.57 total 80.05 last 64.77)
 - open/keep 6994 (time 1785458130.58 total 90.07 last 69.72)
 - open/keep 7873 (time 1785458140.60 total 100.08 last 87.74)
 - open/keep 8771 (time 1785458150.60 total 110.08 last 89.79)
total: 9635 open/keep in 120.00 seconds: 80.29 ops/second
 - closed 1748 (time 1785458170.52 total 10.00 last -702.27)
 - closed 3004 (time 1785458180.53 total 20.01 last 125.54)
 - closed 4451 (time 1785458190.53 total 30.01 last 144.65)
 - closed 6030 (time 1785458200.53 total 40.01 last 157.85)
 - closed 7650 (time 1785458210.53 total 50.01 last 161.99)
 - closed 9321 (time 1785458220.54 total 60.02 last 166.98)
total: 9635 close in 62.17 seconds: 154.97 close/second
 - unlinked 0 (time 1785458228 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9635) error: No such file or directory
total: 9635 unlinks in 96 seconds: 100.364586 unlinks/second