== sanity test 51f: check many open files limit ========== 13:51:42 (1726854702)
MDT0 numfree=491780, max=100000
changed ulimit from 1024 to 100020
 - open/keep 6283 (time 1726854713.63 total 10.00 last 628.23)
 - open/keep 10000 (time 1726854721.83 total 18.20 last 453.57)
 - open/keep 16232 (time 1726854731.83 total 28.20 last 623.15)
 - open/keep 20000 (time 1726854740.98 total 37.35 last 411.76)
 - open/keep 24320 (time 1726854750.98 total 47.35 last 431.96)
 - open/keep 28666 (time 1726854760.98 total 57.35 last 434.53)
 - open/keep 30000 (time 1726854763.73 total 60.10 last 484.58)
 - open/keep 34571 (time 1726854773.74 total 70.11 last 456.98)
 - open/keep 39112 (time 1726854783.74 total 80.11 last 454.06)
 - open/keep 44520 (time 1726854793.74 total 90.11 last 540.68)
 - open/keep 49051 (time 1726854803.74 total 100.11 last 453.08)
 - open/keep 53920 (time 1726854813.74 total 110.11 last 486.85)
total: 58584 open/keep in 120.00 seconds: 488.19 ops/second
 - closed 8546 (time 1726854833.63 total 10.00 last -4537.16)
 - closed 10000 (time 1726854835.75 total 12.12 last 687.22)
 - closed 20000 (time 1726854845.51 total 21.88 last 1023.95)
 - closed 30000 (time 1726854855.41 total 31.78 last 1010.46)
 - closed 39968 (time 1726854865.41 total 41.78 last 996.77)
 - closed 40000 (time 1726854865.45 total 41.82 last 791.98)
 - closed 47226 (time 1726854875.45 total 51.82 last 722.59)
 - closed 50000 (time 1726854878.55 total 54.91 last 896.55)
total: 58584 close in 63.43 seconds: 923.62 close/second
 - unlinked 0 (time 1726854888 ; total 0 ; last 0)
 - unlinked 10000 (time 1726854900 ; total 12 ; last 12)
 - unlinked 20000 (time 1726854919 ; total 31 ; last 19)
 - unlinked 30000 (time 1726854933 ; total 45 ; last 14)
 - unlinked 40000 (time 1726854947 ; total 59 ; last 14)
 - unlinked 50000 (time 1726854960 ; total 72 ; last 13)
unlink(/mnt/lustre/d51f.sanity/f58584) error: No such file or directory
total: 58584 unlinks in 84 seconds: 697.428589 unlinks/second