== sanity test 51f: check many open files limit ========== 23:27:22 (1763353642)
MDT0 numfree=     490570 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 3613 (time 1763353653.76 total 10.00 last 361.26)
 - open/keep 6719 (time 1763353663.76 total 20.00 last 310.59)
 - open/keep 10000 (time 1763353671.89 total 28.14 last 403.36)
 - open/keep 13665 (time 1763353681.89 total 38.14 last 366.43)
 - open/keep 18039 (time 1763353691.89 total 48.14 last 437.33)
 - open/keep 20000 (time 1763353697.27 total 53.52 last 364.64)
 - open/keep 23764 (time 1763353707.27 total 63.52 last 376.39)
 - open/keep 27896 (time 1763353717.27 total 73.52 last 413.15)
 - open/keep 30000 (time 1763353721.28 total 77.53 last 524.62)
 - open/keep 34700 (time 1763353731.28 total 87.53 last 469.96)
 - open/keep 40000 (time 1763353740.73 total 96.97 last 561.30)
 - open/keep 45294 (time 1763353750.76 total 107.00 last 527.79)
 - open/keep 50000 (time 1763353758.56 total 114.80 last 603.16)
total: 52950 open/keep in 120.00 seconds: 441.25 ops/second
 - closed 9590 (time 1763353773.76 total 10.00 last -4040.74)
 - closed 10000 (time 1763353774.08 total 10.32 last 1274.04)
 - closed 20000 (time 1763353783.54 total 19.79 last 1056.24)
 - closed 28459 (time 1763353793.55 total 29.79 last 845.87)
 - closed 30000 (time 1763353795.13 total 31.38 last 971.49)
 - closed 40000 (time 1763353804.52 total 40.77 last 1064.74)
 - closed 50000 (time 1763353813.16 total 49.40 last 1158.23)
total: 52950 close in 52.47 seconds: 1009.13 close/second
 - unlinked 0 (time 1763353817 ; total 0 ; last 0)
 - unlinked 10000 (time 1763353833 ; total 16 ; last 16)
 - unlinked 20000 (time 1763353851 ; total 34 ; last 18)
 - unlinked 30000 (time 1763353866 ; total 49 ; last 15)
 - unlinked 40000 (time 1763353882 ; total 65 ; last 16)
 - unlinked 50000 (time 1763353900 ; total 83 ; last 18)
unlink(/mnt/lustre/d51f.sanity/f52950) error: No such file or directory
total: 52950 unlinks in 87 seconds: 608.620667 unlinks/second