== sanity test 51f: check many open files limit ========== 16:05:37 (1775851537)
MDT0 numfree=     533633 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1052 (time 1775851553.31 total 10.00 last 105.19)
 - open/keep 2083 (time 1775851563.31 total 20.01 last 103.04)
 - open/keep 2962 (time 1775851573.31 total 30.01 last 87.89)
 - open/keep 3981 (time 1775851583.32 total 40.01 last 101.86)
 - open/keep 4904 (time 1775851593.34 total 50.03 last 92.11)
 - open/keep 5763 (time 1775851603.34 total 60.03 last 85.87)
 - open/keep 6732 (time 1775851613.34 total 70.04 last 96.87)
 - open/keep 7603 (time 1775851623.34 total 80.04 last 87.10)
 - open/keep 8623 (time 1775851633.36 total 90.05 last 101.84)
 - open/keep 9640 (time 1775851643.37 total 100.06 last 101.61)
 - open/keep 10000 (time 1775851646.89 total 103.59 last 102.16)
 - open/keep 11155 (time 1775851656.89 total 113.59 last 115.48)
total: 11836 open/keep in 120.00 seconds: 98.63 ops/second
 - closed 1940 (time 1775851673.31 total 10.00 last -921.32)
 - closed 3740 (time 1775851683.31 total 20.00 last 179.98)
 - closed 5581 (time 1775851693.31 total 30.00 last 184.08)
 - closed 7450 (time 1775851703.31 total 40.00 last 186.90)
 - closed 9504 (time 1775851713.32 total 50.01 last 205.28)
 - closed 10000 (time 1775851716.81 total 53.51 last 141.83)
 - closed 11181 (time 1775851726.82 total 63.51 last 118.08)
total: 11836 close in 68.50 seconds: 172.79 close/second
 - unlinked 0 (time 1775851737 ; total 0 ; last 0)
 - unlinked 10000 (time 1775851842 ; total 105 ; last 105)
unlink(/mnt/lustre/d51f.sanity/f11836) error: No such file or directory
total: 11836 unlinks in 128 seconds: 92.468750 unlinks/second