== sanity test 51f: check many open files limit ========== 14:13:14 (1713291194)
MDT0 numfree=490599, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4082 (time 1713291205.42 total 10.00 last 408.18)
 - open/keep 8000 (time 1713291215.43 total 20.00 last 391.72)
 - open/keep 10000 (time 1713291220.53 total 25.11 last 391.46)
 - open/keep 13986 (time 1713291230.53 total 35.11 last 398.60)
 - open/keep 17869 (time 1713291240.54 total 45.11 last 388.26)
 - open/keep 20000 (time 1713291246.01 total 50.59 last 389.13)
 - open/keep 23889 (time 1713291256.01 total 60.59 last 388.86)
 - open/keep 27723 (time 1713291266.01 total 70.59 last 383.37)
 - open/keep 30000 (time 1713291271.92 total 76.49 last 385.80)
 - open/keep 33848 (time 1713291281.92 total 86.49 last 384.77)
 - open/keep 37766 (time 1713291291.92 total 96.49 last 391.77)
 - open/keep 40000 (time 1713291297.87 total 102.45 last 375.24)
 - open/keep 43990 (time 1713291307.87 total 112.45 last 399.00)
total: 46950 open/keep in 120.00 seconds: 391.25 ops/second
 - closed 5168 (time 1713291325.43 total 10.00 last -3881.67)
 - closed 10000 (time 1713291334.91 total 19.49 last 509.27)
 - closed 15300 (time 1713291344.91 total 29.49 last 529.92)
 - closed 20000 (time 1713291353.89 total 38.47 last 523.59)
 - closed 25382 (time 1713291363.89 total 48.47 last 538.11)
 - closed 30000 (time 1713291372.72 total 57.29 last 523.32)
 - closed 35268 (time 1713291382.72 total 67.29 last 526.80)
 - closed 40000 (time 1713291391.89 total 76.47 last 515.82)
 - closed 45276 (time 1713291401.89 total 86.47 last 527.52)
total: 46950 close in 89.61 seconds: 523.93 close/second
 - unlinked 0 (time 1713291406 ; total 0 ; last 0)
 - unlinked 10000 (time 1713291428 ; total 22 ; last 22)
 - unlinked 20000 (time 1713291450 ; total 44 ; last 22)
 - unlinked 30000 (time 1713291467 ; total 61 ; last 17)
 - unlinked 40000 (time 1713291483 ; total 77 ; last 16)
unlink(/mnt/lustre/d51f.sanity/f46950) error: No such file or directory
total: 46950 unlinks in 92 seconds: 510.326080 unlinks/second