== sanity test 51f: check many open files limit ========== 19:55:23 (1788911723)
MDT0 numfree=530672, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3394 (time 1788911735.89 total 10.00 last 339.39)
 - open/keep 7065 (time 1788911745.89 total 20.00 last 367.01)
 - open/keep 9978 (time 1788911755.90 total 30.00 last 291.26)
 - open/keep 13689 (time 1788911765.90 total 40.01 last 370.99)
 - open/keep 17223 (time 1788911775.90 total 50.01 last 353.35)
 - open/keep 20000 (time 1788911783.88 total 57.98 last 348.16)
 - open/keep 23333 (time 1788911793.88 total 67.99 last 333.27)
 - open/keep 26568 (time 1788911803.88 total 77.99 last 323.48)
 - open/keep 29475 (time 1788911813.88 total 87.99 last 290.67)
 - open/keep 32429 (time 1788911823.88 total 97.99 last 295.32)
 - open/keep 35347 (time 1788911833.88 total 107.99 last 291.75)
 - open/keep 38785 (time 1788911843.88 total 117.99 last 343.75)
total: 39587 open/keep in 120.00 seconds: 329.89 ops/second
 - closed 7477 (time 1788911855.89 total 10.00 last -3130.61)
 - closed 10000 (time 1788911860.27 total 14.37 last 576.80)
 - closed 15453 (time 1788911870.27 total 24.38 last 545.24)
 - closed 20000 (time 1788911876.22 total 30.32 last 764.43)
 - closed 27206 (time 1788911886.22 total 40.32 last 720.57)
 - closed 30000 (time 1788911890.85 total 44.96 last 603.40)
 - closed 36176 (time 1788911900.85 total 54.96 last 617.60)
total: 39587 close in 60.78 seconds: 651.32 close/second
 - unlinked 0 (time 1788911908 ; total 0 ; last 0)
 - unlinked 10000 (time 1788911931 ; total 23 ; last 23)
 - unlinked 20000 (time 1788911955 ; total 47 ; last 24)
 - unlinked 30000 (time 1788911975 ; total 67 ; last 20)
unlink(/mnt/lustre/d51f.sanity/f39587) error: No such file or directory
total: 39587 unlinks in 85 seconds: 465.729401 unlinks/second