== sanity test 51f: check many open files limit ========== 07:11:24 (1747825884)
MDT0 numfree=496305, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3309 (time 1747825895.29 total 10.00 last 330.84)
 - open/keep 5785 (time 1747825905.30 total 20.00 last 247.58)
 - open/keep 8814 (time 1747825915.30 total 30.00 last 302.86)
 - open/keep 10000 (time 1747825919.52 total 34.23 last 280.79)
 - open/keep 13882 (time 1747825929.52 total 44.23 last 388.14)
 - open/keep 18114 (time 1747825939.52 total 54.23 last 423.18)
 - open/keep 20000 (time 1747825943.98 total 58.69 last 423.06)
 - open/keep 26064 (time 1747825953.98 total 68.69 last 606.32)
 - open/keep 30000 (time 1747825960.89 total 75.59 last 570.16)
 - open/keep 35640 (time 1747825970.89 total 85.59 last 563.92)
 - open/keep 40000 (time 1747825979.57 total 94.28 last 502.08)
 - open/keep 45890 (time 1747825989.57 total 104.28 last 588.97)
 - open/keep 50000 (time 1747825996.43 total 111.14 last 599.13)
total: 55017 open/keep in 120.00 seconds: 458.47 ops/second
 - closed 8690 (time 1747826015.30 total 10.00 last -4130.94)
 - closed 10000 (time 1747826016.49 total 11.20 last 1094.00)
 - closed 17689 (time 1747826026.49 total 21.20 last 768.90)
 - closed 20000 (time 1747826029.93 total 24.64 last 671.75)
 - closed 26132 (time 1747826039.93 total 34.64 last 613.16)
 - closed 30000 (time 1747826046.07 total 40.77 last 630.68)
 - closed 37166 (time 1747826056.07 total 50.77 last 716.55)
 - closed 40000 (time 1747826059.87 total 54.57 last 745.28)
 - closed 46947 (time 1747826069.87 total 64.58 last 694.67)
 - closed 50000 (time 1747826074.56 total 69.27 last 650.88)
total: 55017 close in 74.82 seconds: 735.29 close/second
 - unlinked 0 (time 1747826081 ; total 0 ; last 0)
 - unlinked 10000 (time 1747826095 ; total 14 ; last 14)
 - unlinked 20000 (time 1747826110 ; total 29 ; last 15)
 - unlinked 30000 (time 1747826127 ; total 46 ; last 17)
 - unlinked 40000 (time 1747826143 ; total 62 ; last 16)
 - unlinked 50000 (time 1747826159 ; total 78 ; last 16)
unlink(/mnt/lustre/d51f.sanity/f55017) error: No such file or directory
total: 55017 unlinks in 88 seconds: 625.193176 unlinks/second