== sanity test 51f: check many open files limit ========== 20:40:15 (1787445615)
MDT0 numfree=     532525, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1073 (time 1787445629.37 total 10.01 last 107.17)
 - open/keep 2109 (time 1787445639.37 total 20.02 last 103.57)
 - open/keep 3195 (time 1787445649.37 total 30.02 last 108.60)
 - open/keep 4332 (time 1787445659.37 total 40.02 last 113.70)
 - open/keep 5374 (time 1787445669.38 total 50.02 last 104.16)
 - open/keep 6460 (time 1787445679.38 total 60.02 last 108.56)
 - open/keep 7506 (time 1787445689.38 total 70.02 last 104.60)
 - open/keep 8593 (time 1787445699.39 total 80.03 last 108.57)
 - open/keep 9656 (time 1787445709.39 total 90.03 last 106.30)
 - open/keep 10000 (time 1787445712.61 total 93.25 last 106.84)
 - open/keep 11103 (time 1787445722.62 total 103.26 last 110.28)
 - open/keep 12191 (time 1787445732.63 total 113.27 last 108.69)
total: 12912 open/keep in 120.01 seconds: 107.59 ops/second
 - closed 2006 (time 1787445749.37 total 10.00 last -1018.13)
 - closed 3983 (time 1787445759.38 total 20.01 last 197.57)
 - closed 5775 (time 1787445769.38 total 30.01 last 179.16)
 - closed 7625 (time 1787445779.38 total 40.01 last 184.95)
 - closed 9444 (time 1787445789.39 total 50.02 last 181.79)
 - closed 10000 (time 1787445793.66 total 54.30 last 130.06)
 - closed 11589 (time 1787445803.67 total 64.30 last 158.83)
total: 12912 close in 72.86 seconds: 177.21 close/second
 - unlinked 0 (time 1787445816 ; total 0 ; last 0)
 - unlinked 10000 (time 1787445907 ; total 91 ; last 91)
unlink(/mnt/lustre/d51f.sanity/f12912) error: No such file or directory
total: 12912 unlinks in 116 seconds: 111.310349 unlinks/second