== sanity test 51f: check many open files limit ========== 09:43:43 (1721223823)
MDT0 numfree=494691, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4069 (time 1721223835.14 total 10.00 last 406.82)
 - open/keep 8089 (time 1721223845.15 total 20.00 last 401.98)
 - open/keep 10000 (time 1721223849.92 total 24.77 last 400.47)
 - open/keep 14037 (time 1721223859.92 total 34.78 last 403.66)
 - open/keep 18057 (time 1721223869.92 total 44.78 last 401.95)
 - open/keep 20000 (time 1721223874.81 total 49.67 last 396.90)
 - open/keep 23962 (time 1721223884.82 total 59.67 last 396.17)
 - open/keep 28066 (time 1721223894.82 total 69.67 last 410.36)
 - open/keep 30000 (time 1721223899.70 total 74.55 last 396.30)
 - open/keep 33997 (time 1721223909.70 total 84.56 last 399.63)
 - open/keep 38046 (time 1721223919.70 total 94.56 last 404.88)
 - open/keep 40000 (time 1721223924.54 total 99.39 last 404.02)
 - open/keep 44103 (time 1721223934.54 total 109.39 last 410.28)
 - open/keep 48186 (time 1721223944.54 total 119.40 last 408.20)
total: 48429 open/keep in 120.00 seconds: 403.57 ops/second
 - closed 5688 (time 1721223955.15 total 10.00 last -4249.53)
 - closed 10000 (time 1721223963.07 total 17.92 last 544.44)
 - closed 15296 (time 1721223973.07 total 27.92 last 529.51)
 - closed 20000 (time 1721223981.69 total 36.55 last 545.48)
 - closed 25468 (time 1721223991.69 total 46.55 last 546.72)
 - closed 30000 (time 1721223999.76 total 54.62 last 561.75)
 - closed 35603 (time 1721224009.76 total 64.62 last 560.27)
 - closed 40000 (time 1721224017.64 total 72.49 last 558.38)
 - closed 45615 (time 1721224027.64 total 82.49 last 561.40)
total: 48429 close in 87.67 seconds: 552.39 close/second
 - unlinked 0 (time 1721224034 ; total 0 ; last 0)
 - unlinked 10000 (time 1721224052 ; total 18 ; last 18)
 - unlinked 20000 (time 1721224071 ; total 37 ; last 19)
 - unlinked 30000 (time 1721224091 ; total 57 ; last 20)
 - unlinked 40000 (time 1721224111 ; total 77 ; last 20)
unlink(/mnt/lustre/d51f.sanity/f48429) error: No such file or directory
total: 48429 unlinks in 94 seconds: 515.202148 unlinks/second