== sanity test 51f: check many open files limit ========== 15:24:05 (1730575445)
MDT0 numfree=492991, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2219 (time 1730575457.22 total 10.00 last 221.87)
 - open/keep 4277 (time 1730575467.22 total 20.00 last 205.78)
 - open/keep 6750 (time 1730575477.22 total 30.00 last 247.27)
 - open/keep 9507 (time 1730575487.22 total 40.01 last 275.65)
 - open/keep 12085 (time 1730575497.23 total 50.01 last 257.78)
 - open/keep 15046 (time 1730575507.23 total 60.01 last 296.09)
 - open/keep 18602 (time 1730575517.23 total 70.01 last 355.57)
 - open/keep 20000 (time 1730575521.28 total 74.06 last 344.87)
 - open/keep 23777 (time 1730575531.28 total 84.06 last 377.70)
 - open/keep 27663 (time 1730575541.28 total 94.06 last 388.56)
 - open/keep 30000 (time 1730575547.49 total 100.27 last 376.16)
 - open/keep 34226 (time 1730575557.49 total 110.27 last 422.60)
total: 37685 open/keep in 120.00 seconds: 314.03 ops/second
 - closed 4869 (time 1730575577.22 total 10.00 last -2935.36)
 - closed 9817 (time 1730575587.23 total 20.00 last 494.74)
 - closed 10000 (time 1730575587.53 total 20.31 last 597.42)
 - closed 15065 (time 1730575597.53 total 30.31 last 506.43)
 - closed 19108 (time 1730575607.54 total 40.31 last 404.23)
 - closed 20000 (time 1730575609.78 total 42.56 last 396.48)
 - closed 25133 (time 1730575619.79 total 52.56 last 513.19)
 - closed 30000 (time 1730575626.67 total 59.45 last 706.90)
 - closed 35153 (time 1730575636.67 total 69.45 last 515.24)
total: 37685 close in 75.75 seconds: 497.48 close/second
 - unlinked 0 (time 1730575644 ; total 0 ; last 0)
 - unlinked 10000 (time 1730575674 ; total 30 ; last 30)
 - unlinked 20000 (time 1730575699 ; total 55 ; last 25)
 - unlinked 30000 (time 1730575722 ; total 78 ; last 23)
unlink(/mnt/lustre/d51f.sanity/f37685) error: No such file or directory
total: 37685 unlinks in 97 seconds: 388.505157 unlinks/second