== sanity test 51f: check many open files limit ========== 21:30:27 (1708828227)
MDT0 numfree=496381, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4888 (time 1708828238.30 total 10.00 last 488.68)
 - open/keep 8306 (time 1708828248.30 total 20.00 last 341.71)
 - open/keep 10000 (time 1708828254.21 total 25.91 last 286.84)
 - open/keep 12366 (time 1708828264.21 total 35.92 last 236.50)
 - open/keep 14557 (time 1708828274.21 total 45.92 last 219.05)
 - open/keep 16585 (time 1708828284.22 total 55.92 last 202.67)
 - open/keep 18101 (time 1708828294.22 total 65.93 last 151.51)
 - open/keep 19583 (time 1708828304.23 total 75.93 last 148.16)
 - open/keep 20000 (time 1708828306.65 total 78.36 last 171.87)
 - open/keep 21427 (time 1708828316.65 total 88.36 last 142.69)
 - open/keep 22715 (time 1708828326.66 total 98.36 last 128.78)
 - open/keep 23885 (time 1708828336.66 total 108.37 last 116.93)
 - open/keep 24978 (time 1708828346.67 total 118.37 last 109.23)
total: 25138 open/keep in 120.00 seconds: 209.48 ops/second
 - closed 9803 (time 1708828358.30 total 10.00 last -1517.37)
 - closed 10000 (time 1708828358.51 total 10.21 last 929.58)
 - closed 17429 (time 1708828368.51 total 20.21 last 742.80)
 - closed 20000 (time 1708828373.43 total 25.13 last 523.13)
 - closed 24555 (time 1708828383.43 total 35.13 last 455.48)
total: 25138 close in 36.58 seconds: 687.15 close/second
 - unlinked 0 (time 1708828385 ; total 0 ; last 0)
 - unlinked 10000 (time 1708828460 ; total 75 ; last 75)
 - unlinked 20000 (time 1708828495 ; total 110 ; last 35)
unlink(/mnt/lustre/d51f.sanity/f25138) error: No such file or directory
total: 25138 unlinks in 118 seconds: 213.033905 unlinks/second