== sanity test 51f: check many open files limit ========== 04:53:59 (1784192039)
MDT0 numfree=     531449, max=100000
changed ulimit from 1024 to 100020
 - open/keep 847 (time 1784192054.74 total 10.01 last 84.64)
 - open/keep 1825 (time 1784192064.74 total 20.01 last 97.76)
 - open/keep 2758 (time 1784192074.75 total 30.02 last 93.24)
 - open/keep 3692 (time 1784192084.76 total 40.02 last 93.33)
 - open/keep 4584 (time 1784192094.76 total 50.03 last 89.18)
 - open/keep 5473 (time 1784192104.76 total 60.03 last 88.88)
 - open/keep 6351 (time 1784192114.78 total 70.05 last 87.65)
 - open/keep 7225 (time 1784192124.78 total 80.05 last 87.38)
 - open/keep 8019 (time 1784192134.79 total 90.05 last 79.36)
 - open/keep 8927 (time 1784192144.79 total 100.06 last 90.78)
 - open/keep 9844 (time 1784192154.80 total 110.06 last 91.66)
total: 10666 open/keep in 120.00 seconds: 88.88 ops/second
 - closed 1518 (time 1784192174.75 total 10.01 last -831.73)
 - closed 2943 (time 1784192184.75 total 20.01 last 142.46)
 - closed 4556 (time 1784192194.75 total 30.01 last 161.29)
 - closed 5818 (time 1784192204.75 total 40.02 last 126.14)
 - closed 6971 (time 1784192214.76 total 50.02 last 115.25)
 - closed 8014 (time 1784192224.76 total 60.03 last 104.25)
 - closed 9631 (time 1784192234.77 total 70.04 last 161.53)
 - closed 10000 (time 1784192237.50 total 72.76 last 135.50)
total: 10666 close in 76.85 seconds: 138.78 close/second
 - unlinked 0 (time 1784192246 ; total 0 ; last 0)
 - unlinked 10000 (time 1784192352 ; total 106 ; last 106)
unlink(/mnt/lustre/d51f.sanity/f10666) error: No such file or directory
total: 10666 unlinks in 113 seconds: 94.389381 unlinks/second