== sanity test 51f: check many open files limit ========== 08:53:40 (1786193620)
MDT0 numfree=     536324, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3984 (time 1786193632.34 total 10.00 last 398.37)
 - open/keep 9019 (time 1786193642.34 total 20.00 last 503.48)
 - open/keep 14198 (time 1786193652.34 total 30.00 last 517.89)
 - open/keep 18822 (time 1786193662.34 total 40.00 last 462.27)
 - open/keep 20000 (time 1786193664.89 total 42.55 last 462.00)
 - open/keep 24306 (time 1786193674.89 total 52.55 last 430.56)
 - open/keep 28242 (time 1786193684.89 total 62.56 last 393.58)
 - open/keep 30000 (time 1786193689.16 total 66.83 last 411.66)
 - open/keep 35073 (time 1786193699.17 total 76.83 last 507.24)
 - open/keep 40000 (time 1786193709.14 total 86.80 last 493.83)
 - open/keep 45005 (time 1786193719.14 total 96.81 last 500.47)
 - open/keep 49390 (time 1786193729.15 total 106.81 last 438.43)
 - open/keep 53261 (time 1786193739.15 total 116.81 last 387.07)
total: 54712 open/keep in 120.00 seconds: 455.93 ops/second
 - closed 9292 (time 1786193752.34 total 10.00 last -4395.98)
 - closed 10000 (time 1786193753.12 total 10.78 last 910.35)
 - closed 20000 (time 1786193762.69 total 20.35 last 1044.82)
 - closed 29816 (time 1786193772.69 total 30.35 last 981.53)
 - closed 30000 (time 1786193772.92 total 30.58 last 808.13)
 - closed 39279 (time 1786193782.92 total 40.58 last 927.80)
 - closed 40000 (time 1786193783.75 total 41.41 last 873.70)
 - closed 49716 (time 1786193793.75 total 51.41 last 971.55)
 - closed 50000 (time 1786193793.97 total 51.63 last 1281.20)
total: 54712 close in 56.37 seconds: 970.58 close/second
 - unlinked 0 (time 1786193800 ; total 0 ; last 0)
 - unlinked 10000 (time 1786193818 ; total 18 ; last 18)
 - unlinked 20000 (time 1786193835 ; total 35 ; last 17)
 - unlinked 30000 (time 1786193850 ; total 50 ; last 15)
 - unlinked 40000 (time 1786193867 ; total 67 ; last 17)
 - unlinked 50000 (time 1786193882 ; total 82 ; last 15)
unlink(/mnt/lustre/d51f.sanity/f54712) error: No such file or directory
total: 54712 unlinks in 89 seconds: 614.741577 unlinks/second