== sanity test 51f: check many open files limit ========== 07:43:07 (1788781387)
MDT0 numfree=541004, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1481 (time 1788781403.35 total 10.01 last 148.03)
 - open/keep 2705 (time 1788781413.36 total 20.01 last 122.30)
 - open/keep 4021 (time 1788781423.36 total 30.02 last 131.57)
 - open/keep 5305 (time 1788781433.37 total 40.02 last 128.31)
 - open/keep 6570 (time 1788781443.37 total 50.02 last 126.49)
 - open/keep 7812 (time 1788781453.38 total 60.03 last 124.13)
 - open/keep 8766 (time 1788781463.38 total 70.04 last 95.33)
 - open/keep 9856 (time 1788781473.39 total 80.04 last 108.95)
 - open/keep 11048 (time 1788781483.39 total 90.05 last 119.14)
 - open/keep 12422 (time 1788781493.40 total 100.05 last 137.34)
 - open/keep 13846 (time 1788781503.40 total 110.05 last 142.35)
total: 15207 open/keep in 120.01 seconds: 126.72 ops/second
 - closed 2370 (time 1788781523.36 total 10.00 last -1147.31)
 - closed 4271 (time 1788781533.36 total 20.01 last 190.00)
 - closed 5779 (time 1788781543.38 total 30.02 last 150.55)
 - closed 7746 (time 1788781553.38 total 40.02 last 196.70)
 - closed 9451 (time 1788781563.39 total 50.03 last 170.37)
 - closed 10000 (time 1788781566.23 total 52.87 last 193.29)
 - closed 12189 (time 1788781576.23 total 62.87 last 218.85)
 - closed 13713 (time 1788781586.24 total 72.88 last 152.34)
total: 15207 close in 81.50 seconds: 186.59 close/second
 - unlinked 0 (time 1788781599 ; total 0 ; last 0)
 - unlinked 10000 (time 1788781679 ; total 80 ; last 80)
unlink(/mnt/lustre/d51f.sanity/f15207) error: No such file or directory
total: 15207 unlinks in 126 seconds: 120.690475 unlinks/second