== sanity test 51f: check many open files limit ========== 21:13:50 (1788657230)
MDT0 numfree=533467, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1009 (time 1788657245.00 total 10.00 last 100.87)
 - open/keep 2107 (time 1788657255.00 total 20.01 last 109.76)
 - open/keep 3170 (time 1788657265.03 total 30.03 last 106.07)
 - open/keep 4175 (time 1788657275.04 total 40.04 last 100.36)
 - open/keep 5144 (time 1788657285.05 total 50.05 last 96.86)
 - open/keep 6193 (time 1788657295.05 total 60.05 last 104.82)
 - open/keep 7260 (time 1788657305.06 total 70.06 last 106.68)
 - open/keep 8369 (time 1788657315.06 total 80.06 last 110.83)
 - open/keep 9398 (time 1788657325.07 total 90.07 last 102.86)
 - open/keep 10000 (time 1788657331.02 total 96.02 last 101.18)
 - open/keep 11091 (time 1788657341.02 total 106.02 last 109.09)
 - open/keep 12088 (time 1788657351.02 total 116.02 last 99.69)
total: 12439 open/keep in 120.00 seconds: 103.66 ops/second
 - closed 1887 (time 1788657365.00 total 10.00 last -1019.67)
 - closed 3756 (time 1788657375.01 total 20.01 last 186.75)
 - closed 5670 (time 1788657385.02 total 30.02 last 191.30)
 - closed 7369 (time 1788657395.02 total 40.02 last 169.81)
 - closed 9216 (time 1788657405.03 total 50.03 last 184.57)
 - closed 10000 (time 1788657409.20 total 54.19 last 188.24)
 - closed 11736 (time 1788657419.20 total 64.20 last 173.50)
total: 12439 close in 68.28 seconds: 182.19 close/second
 - unlinked 0 (time 1788657428 ; total 0 ; last 0)
 - unlinked 10000 (time 1788657533 ; total 105 ; last 105)
unlink(/mnt/lustre/d51f.sanity/f12439) error: No such file or directory
total: 12439 unlinks in 128 seconds: 97.179688 unlinks/second