== sanity test 51f: check many open files limit ========== 13:45:56 (1785951956)
MDT0 numfree=     533736, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1149 (time 1785951972.44 total 10.00 last 114.85)
 - open/keep 1890 (time 1785951982.45 total 20.01 last 74.03)
 - open/keep 2842 (time 1785951992.49 total 30.05 last 94.86)
 - open/keep 3306 (time 1785952002.50 total 40.07 last 46.33)
 - open/keep 4070 (time 1785952012.51 total 50.07 last 76.35)
 - open/keep 4927 (time 1785952022.51 total 60.08 last 85.66)
 - open/keep 5853 (time 1785952032.53 total 70.09 last 92.49)
 - open/keep 6591 (time 1785952042.53 total 80.09 last 73.79)
 - open/keep 7247 (time 1785952052.53 total 90.10 last 65.57)
 - open/keep 7940 (time 1785952062.54 total 100.10 last 69.24)
 - open/keep 8907 (time 1785952072.55 total 110.12 last 96.58)
 - open/keep 10000 (time 1785952082.30 total 119.86 last 112.17)
total: 10009 open/keep in 120.00 seconds: 83.41 ops/second
 - closed 1449 (time 1785952092.44 total 10.01 last -854.47)
 - closed 2780 (time 1785952102.46 total 20.02 last 132.96)
 - closed 4610 (time 1785952112.46 total 30.02 last 182.97)
 - closed 6025 (time 1785952122.46 total 40.02 last 141.49)
 - closed 7058 (time 1785952132.46 total 50.02 last 103.27)
 - closed 8777 (time 1785952142.46 total 60.03 last 171.86)
 - closed 10000 (time 1785952149.63 total 67.19 last 170.66)
total: 10009 close in 67.22 seconds: 148.91 close/second
 - unlinked 0 (time 1785952155 ; total 0 ; last 0)
 - unlinked 10000 (time 1785952260 ; total 105 ; last 105)
unlink(/mnt/lustre/d51f.sanity/f10009) error: No such file or directory
total: 10009 unlinks in 105 seconds: 95.323807 unlinks/second