== sanity test 51f: check many open files limit ========== 04:21:31 (1786954891)
MDT0 numfree=     531449, max=100000
changed ulimit from 1024 to 100020
 - open/keep 908 (time 1786954906.26 total 10.01 last 90.75)
 - open/keep 1907 (time 1786954916.26 total 20.01 last 99.87)
 - open/keep 2854 (time 1786954926.27 total 30.01 last 94.64)
 - open/keep 3725 (time 1786954936.31 total 40.06 last 86.70)
 - open/keep 4777 (time 1786954946.32 total 50.06 last 105.15)
 - open/keep 5787 (time 1786954956.32 total 60.07 last 101.00)
 - open/keep 6816 (time 1786954966.32 total 70.07 last 102.85)
 - open/keep 7842 (time 1786954976.33 total 80.08 last 102.54)
 - open/keep 8887 (time 1786954986.33 total 90.08 last 104.45)
 - open/keep 9932 (time 1786954996.34 total 100.09 last 104.44)
 - open/keep 10969 (time 1786955006.34 total 110.09 last 103.66)
total: 11949 open/keep in 120.01 seconds: 99.56 ops/second
 - closed 1796 (time 1786955026.27 total 10.00 last -917.11)
 - closed 3591 (time 1786955036.27 total 20.01 last 179.44)
 - closed 5259 (time 1786955046.27 total 30.01 last 166.75)
 - closed 6945 (time 1786955056.28 total 40.02 last 168.41)
 - closed 8531 (time 1786955066.28 total 50.02 last 158.60)
 - closed 10000 (time 1786955074.45 total 58.19 last 179.79)
 - closed 11711 (time 1786955084.46 total 68.19 last 171.05)
total: 11949 close in 69.61 seconds: 171.65 close/second
 - unlinked 0 (time 1786955091 ; total 0 ; last 0)
 - unlinked 10000 (time 1786955196 ; total 105 ; last 105)
unlink(/mnt/lustre/d51f.sanity/f11949) error: No such file or directory
total: 11949 unlinks in 125 seconds: 95.592003 unlinks/second