== sanity test 51f: check many open files limit ========== 00:31:12 (1787113872)
MDT0 numfree=     530672, max=100000
changed ulimit from 1024 to 100020
 - open/keep 947 (time 1787113887.69 total 10.01 last 94.63)
 - open/keep 1974 (time 1787113897.70 total 20.01 last 102.63)
 - open/keep 3009 (time 1787113907.70 total 30.02 last 103.44)
 - open/keep 3727 (time 1787113917.70 total 40.02 last 71.78)
 - open/keep 4762 (time 1787113927.71 total 50.03 last 103.44)
 - open/keep 5885 (time 1787113937.71 total 60.03 last 112.28)
 - open/keep 7198 (time 1787113947.71 total 70.03 last 131.25)
 - open/keep 8399 (time 1787113957.72 total 80.04 last 120.08)
 - open/keep 9258 (time 1787113967.73 total 90.05 last 85.79)
 - open/keep 10000 (time 1787113975.05 total 97.37 last 101.31)
 - open/keep 11153 (time 1787113985.06 total 107.38 last 115.22)
 - open/keep 12173 (time 1787113995.07 total 117.39 last 101.87)
total: 12375 open/keep in 120.02 seconds: 103.11 ops/second
 - closed 1886 (time 1787114007.71 total 10.01 last -1027.59)
 - closed 3765 (time 1787114017.71 total 20.01 last 187.84)
 - closed 6044 (time 1787114027.71 total 30.02 last 227.82)
 - closed 7451 (time 1787114037.72 total 40.02 last 140.69)
 - closed 9539 (time 1787114047.72 total 50.02 last 208.79)
 - closed 10000 (time 1787114049.59 total 51.89 last 246.37)
 - closed 12308 (time 1787114059.59 total 61.89 last 230.79)
total: 12375 close in 62.18 seconds: 199.01 close/second
 - unlinked 0 (time 1787114064 ; total 0 ; last 0)
 - unlinked 10000 (time 1787114157 ; total 93 ; last 93)
unlink(/mnt/lustre/d51f.sanity/f12375) error: No such file or directory
total: 12375 unlinks in 114 seconds: 108.552635 unlinks/second