== sanity test 51f: check many open files limit ========== 01:36:52 (1786945012)
MDT0 numfree=     532287, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2198 (time 1786945024.20 total 10.00 last 219.75)
 - open/keep 4706 (time 1786945034.21 total 20.00 last 250.74)
 - open/keep 7882 (time 1786945044.22 total 30.02 last 317.24)
 - open/keep 10000 (time 1786945053.20 total 39.00 last 235.71)
 - open/keep 12303 (time 1786945063.21 total 49.00 last 230.28)
 - open/keep 14583 (time 1786945073.21 total 59.00 last 227.95)
 - open/keep 17294 (time 1786945083.21 total 69.01 last 271.07)
 - open/keep 19986 (time 1786945093.21 total 79.01 last 269.18)
 - open/keep 22309 (time 1786945103.21 total 89.01 last 232.21)
 - open/keep 24694 (time 1786945113.21 total 99.01 last 238.46)
 - open/keep 27483 (time 1786945123.22 total 109.02 last 278.74)
 - open/keep 29682 (time 1786945133.22 total 119.02 last 219.83)
total: 29906 open/keep in 120.00 seconds: 249.22 ops/second
 - closed 4029 (time 1786945144.21 total 10.00 last -2564.73)
 - closed 8245 (time 1786945154.21 total 20.00 last 421.57)
 - closed 10000 (time 1786945157.67 total 23.46 last 507.30)
 - closed 15223 (time 1786945167.67 total 33.46 last 522.24)
 - closed 20000 (time 1786945177.55 total 43.35 last 483.41)
 - closed 24447 (time 1786945187.55 total 53.35 last 444.69)
 - closed 28750 (time 1786945197.55 total 63.35 last 430.19)
total: 29906 close in 66.31 seconds: 451.03 close/second
 - unlinked 0 (time 1786945202 ; total 0 ; last 0)
 - unlinked 10000 (time 1786945229 ; total 27 ; last 27)
 - unlinked 20000 (time 1786945268 ; total 66 ; last 39)
unlink(/mnt/lustre/d51f.sanity/f29906) error: No such file or directory
total: 29906 unlinks in 108 seconds: 276.907410 unlinks/second