== sanity test 51f: check many open files limit ========== 12:52:10 (1752511930)
MDT0 numfree=492991, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4406 (time 1752511942.53 total 10.00 last 440.57)
 - open/keep 7803 (time 1752511952.53 total 20.00 last 339.68)
 - open/keep 10000 (time 1752511958.09 total 25.56 last 394.90)
 - open/keep 14400 (time 1752511968.09 total 35.56 last 439.99)
 - open/keep 17952 (time 1752511978.10 total 45.57 last 355.10)
 - open/keep 20000 (time 1752511984.92 total 52.39 last 300.19)
 - open/keep 22633 (time 1752511994.92 total 62.39 last 263.26)
 - open/keep 25187 (time 1752512004.92 total 72.39 last 255.37)
 - open/keep 27869 (time 1752512014.92 total 82.39 last 268.14)
 - open/keep 30000 (time 1752512023.82 total 91.29 last 239.62)
 - open/keep 33130 (time 1752512033.82 total 101.29 last 312.97)
 - open/keep 36597 (time 1752512043.82 total 111.29 last 346.59)
total: 38899 open/keep in 120.00 seconds: 324.15 ops/second
 - closed 3830 (time 1752512062.53 total 10.00 last -3276.28)
 - closed 7440 (time 1752512072.53 total 20.00 last 360.99)
 - closed 10000 (time 1752512079.94 total 27.41 last 345.44)
 - closed 13577 (time 1752512089.95 total 37.42 last 357.60)
 - closed 17892 (time 1752512099.95 total 47.42 last 431.47)
 - closed 20000 (time 1752512105.66 total 53.13 last 368.77)
 - closed 24018 (time 1752512115.66 total 63.13 last 401.76)
 - closed 28307 (time 1752512125.67 total 73.13 last 428.89)
 - closed 30000 (time 1752512129.41 total 76.88 last 452.07)
 - closed 34599 (time 1752512139.41 total 86.88 last 459.85)
 - closed 38539 (time 1752512149.42 total 96.88 last 393.84)
total: 38899 close in 97.92 seconds: 397.25 close/second
 - unlinked 0 (time 1752512152 ; total 0 ; last 0)
 - unlinked 10000 (time 1752512187 ; total 35 ; last 35)
 - unlinked 20000 (time 1752512219 ; total 67 ; last 32)
 - unlinked 30000 (time 1752512255 ; total 103 ; last 36)
unlink(/mnt/lustre/d51f.sanity/f38899) error: No such file or directory
total: 38899 unlinks in 129 seconds: 301.542633 unlinks/second