== sanity test 51f: check many open files limit ========== 11:40:36 (1789054836)
MDT0 numfree=530372, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1081 (time 1789054850.79 total 10.01 last 108.02)
 - open/keep 2050 (time 1789054860.79 total 20.01 last 96.89)
 - open/keep 2997 (time 1789054870.80 total 30.02 last 94.62)
 - open/keep 3937 (time 1789054880.82 total 40.03 last 93.87)
 - open/keep 4905 (time 1789054890.82 total 50.03 last 96.76)
 - open/keep 5723 (time 1789054900.82 total 60.04 last 81.79)
 - open/keep 6693 (time 1789054910.84 total 70.06 last 96.78)
 - open/keep 7607 (time 1789054920.85 total 80.06 last 91.37)
 - open/keep 8512 (time 1789054930.85 total 90.07 last 90.45)
 - open/keep 9336 (time 1789054940.85 total 100.07 last 82.38)
 - open/keep 10000 (time 1789054948.76 total 107.98 last 83.98)
 - open/keep 10653 (time 1789054958.77 total 117.99 last 65.23)
total: 10786 open/keep in 120.02 seconds: 89.87 ops/second
 - closed 1017 (time 1789054970.82 total 10.02 last -961.88)
 - closed 2271 (time 1789054980.82 total 20.02 last 125.40)
 - closed 3270 (time 1789054990.83 total 30.02 last 99.85)
 - closed 4815 (time 1789055000.84 total 40.04 last 154.30)
 - closed 6321 (time 1789055010.84 total 50.04 last 150.56)
 - closed 8101 (time 1789055020.84 total 60.04 last 177.96)
 - closed 9653 (time 1789055030.85 total 70.04 last 155.15)
 - closed 10000 (time 1789055033.27 total 72.47 last 143.36)
total: 10786 close in 79.07 seconds: 136.41 close/second
 - unlinked 0 (time 1789055045 ; total 0 ; last 0)
 - unlinked 10000 (time 1789055156 ; total 111 ; last 111)
unlink(/mnt/lustre/d51f.sanity/f10786) error: No such file or directory
total: 10786 unlinks in 121 seconds: 89.140495 unlinks/second