== sanity test 51f: check many open files limit ========== 19:10:49 (1784761849)
MDT0 numfree=     531852, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1071 (time 1784761863.22 total 10.01 last 107.04)
 - open/keep 1940 (time 1784761873.23 total 20.02 last 86.81)
 - open/keep 2968 (time 1784761883.23 total 30.02 last 102.79)
 - open/keep 4029 (time 1784761893.23 total 40.02 last 106.06)
 - open/keep 5072 (time 1784761903.23 total 50.02 last 104.27)
 - open/keep 6181 (time 1784761913.26 total 60.05 last 110.66)
 - open/keep 7267 (time 1784761923.26 total 70.05 last 108.53)
 - open/keep 8428 (time 1784761933.27 total 80.06 last 116.01)
 - open/keep 9521 (time 1784761943.27 total 90.06 last 109.27)
 - open/keep 10000 (time 1784761949.25 total 96.04 last 80.14)
 - open/keep 11069 (time 1784761959.25 total 106.04 last 106.87)
 - open/keep 12110 (time 1784761969.26 total 116.05 last 104.01)
total: 12523 open/keep in 120.01 seconds: 104.35 ops/second
 - closed 1809 (time 1784761983.22 total 10.01 last -1029.43)
 - closed 3698 (time 1784761993.23 total 20.01 last 188.84)
 - closed 5587 (time 1784762003.23 total 30.01 last 188.88)
 - closed 7528 (time 1784762013.23 total 40.01 last 194.09)
 - closed 9398 (time 1784762023.23 total 50.01 last 187.00)
 - closed 10000 (time 1784762026.19 total 52.97 last 203.52)
 - closed 12008 (time 1784762036.19 total 62.97 last 200.78)
total: 12523 close in 65.71 seconds: 190.57 close/second
 - unlinked 0 (time 1784762043 ; total 0 ; last 0)
 - unlinked 10000 (time 1784762142 ; total 99 ; last 99)
unlink(/mnt/lustre/d51f.sanity/f12523) error: No such file or directory
total: 12523 unlinks in 123 seconds: 101.813011 unlinks/second