== sanity test 51f: check many open files limit ========== 21:30:06 (1708828206)
MDT0 numfree=496410, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5427 (time 1708828217.44 total 10.00 last 542.69)
 - open/keep 8746 (time 1708828227.44 total 20.00 last 331.83)
 - open/keep 10000 (time 1708828231.91 total 24.47 last 280.69)
 - open/keep 12483 (time 1708828241.91 total 34.47 last 248.25)
 - open/keep 14864 (time 1708828251.92 total 44.48 last 238.00)
 - open/keep 17152 (time 1708828261.92 total 54.48 last 228.74)
 - open/keep 18863 (time 1708828271.92 total 64.48 last 171.06)
 - open/keep 20000 (time 1708828278.35 total 70.91 last 176.77)
 - open/keep 21823 (time 1708828288.36 total 80.92 last 182.24)
 - open/keep 23290 (time 1708828298.36 total 90.92 last 146.67)
 - open/keep 24587 (time 1708828308.36 total 100.92 last 129.64)
 - open/keep 25869 (time 1708828318.37 total 110.93 last 128.15)
total: 27016 open/keep in 120.00 seconds: 225.12 ops/second
 - closed 10000 (time 1708828336.49 total 9.04 last -1755.24)
 - closed 19236 (time 1708828346.49 total 19.04 last 923.54)
 - closed 20000 (time 1708828347.39 total 19.94 last 850.18)
total: 27016 close in 29.61 seconds: 912.38 close/second
 - unlinked 0 (time 1708828358 ; total 0 ; last 0)
 - unlinked 10000 (time 1708828432 ; total 74 ; last 74)
 - unlinked 20000 (time 1708828474 ; total 116 ; last 42)
unlink(/mnt/lustre/d51f.sanity/f27016) error: No such file or directory
total: 27016 unlinks in 130 seconds: 207.815384 unlinks/second