== sanity test 51f: check many open files limit ========== 17:03:59 (1788642239)
MDT0 numfree=536024, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1067 (time 1788642255.03 total 10.00 last 106.65)
 - open/keep 1986 (time 1788642265.03 total 20.01 last 91.88)
 - open/keep 3015 (time 1788642275.04 total 30.02 last 102.73)
 - open/keep 3795 (time 1788642285.05 total 40.03 last 77.91)
 - open/keep 4862 (time 1788642295.06 total 50.04 last 106.63)
 - open/keep 5968 (time 1788642305.06 total 60.04 last 110.58)
 - open/keep 7107 (time 1788642315.07 total 70.05 last 113.85)
 - open/keep 7999 (time 1788642325.07 total 80.05 last 89.17)
 - open/keep 9054 (time 1788642335.08 total 90.06 last 105.45)
 - open/keep 10000 (time 1788642344.56 total 99.53 last 99.80)
 - open/keep 10877 (time 1788642354.60 total 109.57 last 87.35)
 - open/keep 11799 (time 1788642364.60 total 119.58 last 92.11)
total: 11830 open/keep in 120.01 seconds: 98.58 ops/second
 - closed 1777 (time 1788642375.03 total 10.00 last -1002.07)
 - closed 3501 (time 1788642385.03 total 20.00 last 172.34)
 - closed 5162 (time 1788642395.04 total 30.01 last 166.07)
 - closed 6859 (time 1788642405.04 total 40.01 last 169.68)
 - closed 8429 (time 1788642415.06 total 50.03 last 156.66)
 - closed 9724 (time 1788642425.06 total 60.03 last 129.48)
 - closed 10000 (time 1788642427.23 total 62.20 last 127.26)
 - closed 11359 (time 1788642437.23 total 72.20 last 135.89)
total: 11830 close in 75.37 seconds: 156.97 close/second
 - unlinked 0 (time 1788642446 ; total 0 ; last 0)
 - unlinked 10000 (time 1788642539 ; total 93 ; last 93)
unlink(/mnt/lustre/d51f.sanity/f11830) error: No such file or directory
total: 11830 unlinks in 110 seconds: 107.545456 unlinks/second