== sanity test 51f: check many open files limit ========== 09:18:38 (1713532718)
MDT0 numfree=493557, max=100000
changed ulimit from 1024 to 100020
 - open/keep 6329 (time 1713532729.11 total 10.00 last 632.90)
 - open/keep 10000 (time 1713532736.79 total 17.68 last 478.06)
 - open/keep 13778 (time 1713532746.79 total 27.68 last 377.71)
 - open/keep 17225 (time 1713532756.79 total 37.68 last 344.67)
 - open/keep 20000 (time 1713532766.21 total 47.09 last 294.82)
 - open/keep 22658 (time 1713532776.21 total 57.10 last 265.79)
 - open/keep 25218 (time 1713532786.21 total 67.10 last 255.99)
 - open/keep 27568 (time 1713532796.21 total 77.10 last 234.96)
 - open/keep 29670 (time 1713532806.21 total 87.10 last 210.11)
 - open/keep 31671 (time 1713532816.22 total 97.11 last 199.99)
 - open/keep 32997 (time 1713532826.23 total 107.11 last 132.52)
 - open/keep 34182 (time 1713532836.23 total 117.12 last 118.43)
total: 34562 open/keep in 120.00 seconds: 288.01 ops/second
 - closed 6274 (time 1713532849.12 total 10.00 last -2790.66)
 - closed 10000 (time 1713532855.73 total 16.62 last 563.10)
 - closed 15530 (time 1713532865.74 total 26.62 last 552.90)
 - closed 20000 (time 1713532874.90 total 35.78 last 487.72)
 - closed 24550 (time 1713532884.90 total 45.78 last 454.99)
 - closed 29239 (time 1713532894.90 total 55.79 last 468.79)
 - closed 30000 (time 1713532896.38 total 57.26 last 515.62)
total: 34562 close in 67.15 seconds: 514.73 close/second
 - unlinked 0 (time 1713532907 ; total 0 ; last 0)
 - unlinked 10000 (time 1713532983 ; total 76 ; last 76)
 - unlinked 20000 (time 1713533031 ; total 124 ; last 48)
 - unlinked 30000 (time 1713533059 ; total 152 ; last 28)
unlink(/mnt/lustre/d51f.sanity/f34562) error: No such file or directory
total: 34562 unlinks in 158 seconds: 218.746841 unlinks/second