== sanity test 51f: check many open files limit ========== 14:06:37 (1789063597)
MDT0 numfree=     533467, max=100000
changed ulimit from 1024 to 100020
 - open/keep 809 (time 1789063613.27 total 10.01 last 80.80)
 - open/keep 1641 (time 1789063623.27 total 20.01 last 83.20)
 - open/keep 2309 (time 1789063633.27 total 30.02 last 66.78)
 - open/keep 3000 (time 1789063643.29 total 40.03 last 68.97)
 - open/keep 3662 (time 1789063653.30 total 50.04 last 66.13)
 - open/keep 4671 (time 1789063663.31 total 60.06 last 100.76)
 - open/keep 5477 (time 1789063673.32 total 70.07 last 80.51)
 - open/keep 6263 (time 1789063683.33 total 80.07 last 78.57)
 - open/keep 6933 (time 1789063693.34 total 90.09 last 66.90)
 - open/keep 7645 (time 1789063703.35 total 100.09 last 71.17)
 - open/keep 8460 (time 1789063713.35 total 110.10 last 81.47)
total: 9336 open/keep in 120.00 seconds: 77.80 ops/second
 - closed 1603 (time 1789063733.27 total 10.01 last -685.28)
 - closed 3062 (time 1789063743.27 total 20.01 last 145.81)
 - closed 4677 (time 1789063753.29 total 30.03 last 161.20)
 - closed 6396 (time 1789063763.29 total 40.03 last 171.87)
 - closed 8097 (time 1789063773.29 total 50.03 last 170.09)
total: 9336 close in 56.71 seconds: 164.64 close/second
 - unlinked 0 (time 1789063785 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9336) error: No such file or directory
total: 9336 unlinks in 87 seconds: 107.310349 unlinks/second