== sanity test 51f: check many open files limit ========== 21:22:45 (1787102565)
MDT0 numfree=     531045, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2976 (time 1787102577.29 total 10.00 last 297.57)
 - open/keep 4577 (time 1787102587.31 total 20.01 last 159.89)
 - open/keep 6212 (time 1787102597.31 total 30.02 last 163.41)
 - open/keep 7641 (time 1787102607.31 total 40.02 last 142.88)
 - open/keep 9158 (time 1787102617.32 total 50.02 last 151.67)
 - open/keep 10000 (time 1787102621.28 total 53.99 last 212.47)
 - open/keep 12156 (time 1787102631.28 total 63.99 last 215.55)
 - open/keep 14430 (time 1787102641.28 total 73.99 last 227.33)
 - open/keep 17281 (time 1787102651.29 total 83.99 last 285.01)
 - open/keep 19600 (time 1787102661.29 total 93.99 last 231.89)
 - open/keep 22318 (time 1787102671.29 total 104.00 last 271.79)
 - open/keep 25357 (time 1787102681.29 total 114.00 last 303.90)
total: 27078 open/keep in 120.00 seconds: 225.64 ops/second
 - closed 6036 (time 1787102697.30 total 10.00 last -1932.03)
 - closed 10000 (time 1787102706.17 total 18.87 last 446.88)
 - closed 13881 (time 1787102716.17 total 28.87 last 388.06)
 - closed 17441 (time 1787102726.17 total 38.87 last 355.96)
 - closed 20000 (time 1787102734.34 total 47.04 last 313.39)
 - closed 24885 (time 1787102744.34 total 57.04 last 488.37)
total: 27078 close in 61.17 seconds: 442.67 close/second
 - unlinked 0 (time 1787102750 ; total 0 ; last 0)
 - unlinked 10000 (time 1787102782 ; total 32 ; last 32)
 - unlinked 20000 (time 1787102804 ; total 54 ; last 22)
unlink(/mnt/lustre/d51f.sanity/f27078) error: No such file or directory
total: 27078 unlinks in 66 seconds: 410.272736 unlinks/second