== sanity test 51f: check many open files limit ========== 06:05:44 (1726826744)
MDT0 numfree=495815, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2791 (time 1726826756.19 total 10.00 last 279.09)
 - open/keep 5376 (time 1726826766.19 total 20.00 last 258.50)
 - open/keep 7583 (time 1726826776.19 total 30.01 last 220.60)
 - open/keep 9711 (time 1726826786.20 total 40.01 last 212.79)
 - open/keep 11757 (time 1726826796.20 total 50.01 last 204.49)
 - open/keep 13651 (time 1726826806.20 total 60.01 last 189.39)
 - open/keep 15491 (time 1726826816.20 total 70.01 last 183.97)
 - open/keep 17653 (time 1726826826.20 total 80.01 last 216.16)
 - open/keep 19779 (time 1726826836.21 total 90.02 last 212.55)
 - open/keep 21868 (time 1726826846.21 total 100.02 last 208.88)
 - open/keep 24289 (time 1726826856.21 total 110.02 last 242.10)
total: 27146 open/keep in 120.00 seconds: 226.21 ops/second
 - closed 3881 (time 1726826876.20 total 10.00 last -2039.94)
 - closed 7242 (time 1726826886.20 total 20.01 last 336.05)
 - closed 10000 (time 1726826893.35 total 27.15 last 385.92)
 - closed 13675 (time 1726826903.35 total 37.15 last 367.47)
 - closed 16688 (time 1726826913.35 total 47.15 last 301.29)
 - closed 20000 (time 1726826922.51 total 56.31 last 361.58)
 - closed 23761 (time 1726826932.51 total 66.31 last 376.09)
total: 27146 close in 75.86 seconds: 357.86 close/second
 - unlinked 0 (time 1726826944 ; total 0 ; last 0)
 - unlinked 10000 (time 1726826986 ; total 42 ; last 42)
 - unlinked 20000 (time 1726827029 ; total 85 ; last 43)
unlink(/mnt/lustre/d51f.sanity/f27146) error: No such file or directory
total: 27146 unlinks in 116 seconds: 234.017242 unlinks/second