== sanity test 51f: check many open files limit ========== 12:14:20 (1787847260)
MDT0 numfree=     532391, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1108 (time 1787847275.60 total 10.01 last 110.67)
 - open/keep 2114 (time 1787847285.60 total 20.02 last 100.52)
 - open/keep 2995 (time 1787847295.63 total 30.05 last 87.85)
 - open/keep 3947 (time 1787847305.66 total 40.08 last 94.92)
 - open/keep 5107 (time 1787847315.66 total 50.08 last 116.00)
 - open/keep 6116 (time 1787847325.66 total 60.08 last 100.89)
 - open/keep 7255 (time 1787847335.66 total 70.08 last 113.88)
 - open/keep 8326 (time 1787847345.66 total 80.08 last 107.10)
 - open/keep 9483 (time 1787847355.67 total 90.08 last 115.66)
 - open/keep 10000 (time 1787847360.60 total 95.01 last 104.92)
 - open/keep 11049 (time 1787847370.60 total 105.02 last 104.85)
 - open/keep 12132 (time 1787847380.60 total 115.02 last 108.26)
total: 12589 open/keep in 120.02 seconds: 104.89 ops/second
 - closed 1655 (time 1787847395.61 total 10.01 last -1047.02)
 - closed 3489 (time 1787847405.61 total 20.01 last 183.32)
 - closed 5539 (time 1787847415.61 total 30.01 last 204.99)
 - closed 7508 (time 1787847425.61 total 40.01 last 196.84)
 - closed 9720 (time 1787847435.62 total 50.02 last 221.18)
 - closed 10000 (time 1787847436.70 total 51.10 last 257.19)
 - closed 12260 (time 1787847446.71 total 61.11 last 225.97)
total: 12589 close in 62.62 seconds: 201.04 close/second
 - unlinked 0 (time 1787847452 ; total 0 ; last 0)
 - unlinked 10000 (time 1787847534 ; total 82 ; last 82)
unlink(/mnt/lustre/d51f.sanity/f12589) error: No such file or directory
total: 12589 unlinks in 104 seconds: 121.048080 unlinks/second