== sanity test 51f: check many open files limit ========== 05:22:06 (1779700926)
MDT0 numfree=     528622, max=100000
changed ulimit from 1024 to 100020
 - open/keep 959 (time 1779700943.49 total 10.01 last 95.80)
 - open/keep 1670 (time 1779700953.50 total 20.02 last 71.02)
 - open/keep 2522 (time 1779700963.56 total 30.08 last 84.73)
 - open/keep 3335 (time 1779700973.56 total 40.08 last 81.28)
 - open/keep 4043 (time 1779700983.57 total 50.09 last 70.74)
 - open/keep 4843 (time 1779700993.58 total 60.10 last 79.91)
 - open/keep 5596 (time 1779701003.59 total 70.11 last 75.23)
 - open/keep 6270 (time 1779701013.60 total 80.12 last 67.35)
 - open/keep 6958 (time 1779701023.60 total 90.12 last 68.78)
 - open/keep 7786 (time 1779701033.61 total 100.13 last 82.69)
 - open/keep 8450 (time 1779701043.62 total 110.13 last 66.39)
total: 9037 open/keep in 120.01 seconds: 75.30 ops/second
 - closed 1129 (time 1779701063.49 total 10.00 last -731.92)
 - closed 2448 (time 1779701073.50 total 20.01 last 131.81)
 - closed 3558 (time 1779701083.51 total 30.02 last 110.90)
 - closed 4744 (time 1779701093.51 total 40.02 last 118.60)
 - closed 5942 (time 1779701103.51 total 50.02 last 119.77)
 - closed 7208 (time 1779701113.51 total 60.02 last 126.57)
 - closed 8327 (time 1779701123.52 total 70.03 last 111.87)
total: 9037 close in 76.11 seconds: 118.73 close/second
 - unlinked 0 (time 1779701136 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9037) error: No such file or directory
total: 9037 unlinks in 119 seconds: 75.941177 unlinks/second