== sanity test 51f: check many open files limit ========== 11:38:18 (1788795498)
MDT0 numfree=542650, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1008 (time 1788795513.85 total 10.01 last 100.70)
 - open/keep 2250 (time 1788795523.85 total 20.01 last 124.14)
 - open/keep 3564 (time 1788795533.86 total 30.02 last 131.35)
 - open/keep 4789 (time 1788795543.86 total 40.02 last 122.45)
 - open/keep 6008 (time 1788795553.87 total 50.03 last 121.78)
 - open/keep 7114 (time 1788795563.87 total 60.03 last 110.57)
 - open/keep 8548 (time 1788795573.88 total 70.05 last 143.25)
 - open/keep 9620 (time 1788795583.89 total 80.05 last 107.18)
 - open/keep 10000 (time 1788795588.69 total 84.85 last 79.09)
 - open/keep 10892 (time 1788795598.70 total 94.86 last 89.12)
 - open/keep 11928 (time 1788795608.70 total 104.87 last 103.54)
 - open/keep 12937 (time 1788795618.71 total 114.87 last 100.83)
total: 13506 open/keep in 120.01 seconds: 112.54 ops/second
 - closed 1887 (time 1788795633.86 total 10.01 last -1103.53)
 - closed 4212 (time 1788795643.86 total 20.02 last 232.44)
 - closed 5951 (time 1788795653.86 total 30.02 last 173.84)
 - closed 7589 (time 1788795663.87 total 40.02 last 163.76)
 - closed 9718 (time 1788795673.88 total 50.03 last 212.72)
 - closed 10000 (time 1788795675.16 total 51.31 last 219.74)
 - closed 12129 (time 1788795685.16 total 61.32 last 212.81)
total: 13506 close in 68.86 seconds: 196.14 close/second
 - unlinked 0 (time 1788795696 ; total 0 ; last 0)
 - unlinked 10000 (time 1788795774 ; total 78 ; last 78)
unlink(/mnt/lustre/d51f.sanity/f13506) error: No such file or directory
total: 13506 unlinks in 105 seconds: 128.628571 unlinks/second