== sanity test 51f: check many open files limit ========== 19:27:30 (1786404450)
MDT0 numfree=     531718, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1311 (time 1786404464.47 total 10.00 last 131.07)
 - open/keep 2755 (time 1786404474.48 total 20.01 last 144.35)
 - open/keep 4017 (time 1786404484.48 total 30.01 last 126.18)
 - open/keep 5307 (time 1786404494.48 total 40.01 last 128.94)
 - open/keep 6530 (time 1786404504.49 total 50.01 last 122.27)
 - open/keep 7859 (time 1786404514.49 total 60.02 last 132.80)
 - open/keep 9129 (time 1786404524.50 total 70.03 last 126.94)
 - open/keep 10000 (time 1786404532.91 total 78.44 last 103.51)
 - open/keep 11355 (time 1786404542.91 total 88.44 last 135.48)
 - open/keep 12735 (time 1786404552.92 total 98.44 last 137.99)
 - open/keep 14071 (time 1786404562.92 total 108.45 last 133.53)
 - open/keep 15414 (time 1786404572.92 total 118.45 last 134.26)
total: 15611 open/keep in 120.00 seconds: 130.09 ops/second
 - closed 2197 (time 1786404584.48 total 10.01 last -1320.81)
 - closed 4516 (time 1786404594.48 total 20.01 last 231.89)
 - closed 7080 (time 1786404604.48 total 30.01 last 256.37)
 - closed 9578 (time 1786404614.51 total 40.04 last 249.09)
 - closed 10000 (time 1786404616.08 total 41.61 last 268.73)
 - closed 12752 (time 1786404626.09 total 51.61 last 275.07)
 - closed 15248 (time 1786404636.09 total 61.61 last 249.55)
total: 15611 close in 63.01 seconds: 247.74 close/second
 - unlinked 0 (time 1786404641 ; total 0 ; last 0)
 - unlinked 10000 (time 1786404725 ; total 84 ; last 84)
unlink(/mnt/lustre/d51f.sanity/f15611) error: No such file or directory
total: 15611 unlinks in 130 seconds: 120.084618 unlinks/second