== sanity test 51f: check many open files limit ========== 20:18:17 (1787789897)
MDT0 numfree=     531883, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1109 (time 1787789912.73 total 10.00 last 110.88)
 - open/keep 2400 (time 1787789922.73 total 20.00 last 129.08)
 - open/keep 3652 (time 1787789932.73 total 30.00 last 125.18)
 - open/keep 5002 (time 1787789942.75 total 40.02 last 134.78)
 - open/keep 6312 (time 1787789952.75 total 50.03 last 130.90)
 - open/keep 7516 (time 1787789962.75 total 60.03 last 120.39)
 - open/keep 8557 (time 1787789972.77 total 70.04 last 103.99)
 - open/keep 9575 (time 1787789982.77 total 80.05 last 101.73)
 - open/keep 10000 (time 1787789985.61 total 82.88 last 149.96)
 - open/keep 11341 (time 1787789995.61 total 92.89 last 134.03)
 - open/keep 12539 (time 1787790005.61 total 102.89 last 119.77)
 - open/keep 13674 (time 1787790015.62 total 112.89 last 113.45)
total: 14566 open/keep in 120.01 seconds: 121.38 ops/second
 - closed 1743 (time 1787790032.73 total 10.00 last -1192.85)
 - closed 3169 (time 1787790042.75 total 20.02 last 142.36)
 - closed 4605 (time 1787790052.76 total 30.03 last 143.47)
 - closed 6881 (time 1787790062.76 total 40.03 last 227.54)
 - closed 9576 (time 1787790072.76 total 50.03 last 269.47)
 - closed 10000 (time 1787790074.29 total 51.56 last 277.39)
 - closed 12761 (time 1787790084.29 total 61.56 last 276.07)
total: 14566 close in 69.21 seconds: 210.47 close/second
 - unlinked 0 (time 1787790095 ; total 0 ; last 0)
 - unlinked 10000 (time 1787790161 ; total 66 ; last 66)
unlink(/mnt/lustre/d51f.sanity/f14566) error: No such file or directory
total: 14566 unlinks in 96 seconds: 151.729172 unlinks/second