== sanity test 51f: check many open files limit ========== 11:45:07 (1788277507)
MDT0 numfree=     534409, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1279 (time 1788277521.97 total 10.01 last 127.72)
 - open/keep 2739 (time 1788277531.98 total 20.02 last 145.98)
 - open/keep 4053 (time 1788277541.98 total 30.02 last 131.39)
 - open/keep 5103 (time 1788277551.98 total 40.02 last 104.95)
 - open/keep 6495 (time 1788277562.01 total 50.05 last 138.77)
 - open/keep 8132 (time 1788277572.02 total 60.06 last 163.63)
 - open/keep 9649 (time 1788277582.02 total 70.06 last 151.65)
 - open/keep 10000 (time 1788277584.38 total 72.42 last 148.63)
 - open/keep 11315 (time 1788277594.38 total 82.42 last 131.49)
 - open/keep 12665 (time 1788277604.38 total 92.42 last 134.99)
 - open/keep 13996 (time 1788277614.38 total 102.42 last 133.07)
 - open/keep 15420 (time 1788277624.38 total 112.42 last 142.39)
total: 16502 open/keep in 120.00 seconds: 137.51 ops/second
 - closed 1979 (time 1788277641.97 total 10.00 last -1343.62)
 - closed 3852 (time 1788277651.97 total 20.01 last 187.27)
 - closed 6568 (time 1788277661.97 total 30.01 last 271.55)
 - closed 9071 (time 1788277671.97 total 40.01 last 250.25)
 - closed 10000 (time 1788277676.25 total 44.29 last 217.24)
 - closed 12442 (time 1788277686.25 total 54.29 last 244.09)
 - closed 14822 (time 1788277696.25 total 64.29 last 237.95)
total: 16502 close in 70.84 seconds: 232.94 close/second
 - unlinked 0 (time 1788277706 ; total 0 ; last 0)
 - unlinked 10000 (time 1788277778 ; total 72 ; last 72)
unlink(/mnt/lustre/d51f.sanity/f16502) error: No such file or directory
total: 16502 unlinks in 125 seconds: 132.016006 unlinks/second