== sanity test 51f: check many open files limit ========== 10:36:34 (1781620594)
MDT0 numfree=     534440, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1904 (time 1781620606.80 total 10.00 last 190.33)
 - open/keep 3644 (time 1781620616.80 total 20.01 last 173.97)
 - open/keep 5613 (time 1781620626.80 total 30.01 last 196.88)
 - open/keep 7371 (time 1781620636.82 total 40.02 last 175.59)
 - open/keep 9190 (time 1781620646.82 total 50.02 last 181.89)
 - open/keep 10000 (time 1781620651.40 total 54.60 last 176.64)
 - open/keep 11738 (time 1781620661.41 total 64.61 last 173.69)
 - open/keep 13677 (time 1781620671.41 total 74.61 last 193.83)
 - open/keep 16018 (time 1781620681.41 total 84.62 last 234.05)
 - open/keep 18155 (time 1781620691.42 total 94.62 last 213.60)
 - open/keep 20000 (time 1781620699.84 total 103.04 last 219.17)
 - open/keep 22285 (time 1781620709.84 total 113.04 last 228.42)
total: 23880 open/keep in 120.00 seconds: 199.00 ops/second
 - closed 3842 (time 1781620726.81 total 10.01 last -1843.10)
 - closed 7956 (time 1781620736.81 total 20.01 last 411.39)
 - closed 10000 (time 1781620742.04 total 25.24 last 390.68)
 - closed 13674 (time 1781620752.04 total 35.24 last 367.32)
 - closed 17063 (time 1781620762.04 total 45.24 last 338.84)
 - closed 20000 (time 1781620769.69 total 52.89 last 384.02)
total: 23880 close in 62.50 seconds: 382.09 close/second
 - unlinked 0 (time 1781620781 ; total 0 ; last 0)
 - unlinked 10000 (time 1781620825 ; total 44 ; last 44)
 - unlinked 20000 (time 1781620869 ; total 88 ; last 44)
unlink(/mnt/lustre/d51f.sanity/f23880) error: No such file or directory
total: 23880 unlinks in 106 seconds: 225.283020 unlinks/second