== sanity test 51f: check many open files limit ========== 02:52:30 (1788850350)
striped dir -i1 -c2 -H crush  /mnt/lustre/d51f.sanity
MDT1 numfree=1021982, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1755 (time 1788850363.48 total 10.00 last 175.46)
 - open/keep 3311 (time 1788850373.48 total 20.01 last 155.53)
 - open/keep 4980 (time 1788850383.49 total 30.01 last 166.81)
 - open/keep 6652 (time 1788850393.49 total 40.02 last 167.14)
 - open/keep 8298 (time 1788850403.50 total 50.02 last 164.50)
 - open/keep 10000 (time 1788850413.45 total 59.97 last 171.06)
 - open/keep 11707 (time 1788850423.45 total 69.97 last 170.69)
 - open/keep 13330 (time 1788850433.45 total 79.98 last 162.21)
 - open/keep 15035 (time 1788850443.46 total 89.98 last 170.48)
 - open/keep 16851 (time 1788850453.46 total 99.98 last 181.54)
 - open/keep 18579 (time 1788850463.46 total 109.99 last 172.72)
 - open/keep 20000 (time 1788850472.86 total 119.38 last 151.26)
total: 20102 open/keep in 120.00 seconds: 167.52 ops/second
 - closed 2883 (time 1788850483.48 total 10.01 last -1710.71)
 - closed 5378 (time 1788850493.49 total 20.01 last 249.39)
 - closed 8311 (time 1788850503.49 total 30.01 last 293.28)
 - closed 10000 (time 1788850509.31 total 35.83 last 290.28)
 - closed 12840 (time 1788850519.31 total 45.83 last 283.93)
 - closed 15655 (time 1788850529.31 total 55.83 last 281.47)
 - closed 18466 (time 1788850539.31 total 65.83 last 281.04)
 - closed 20000 (time 1788850544.65 total 71.17 last 287.26)
total: 20102 close in 71.57 seconds: 280.88 close/second
 - unlinked 0 (time 1788850547 ; total 0 ; last 0)
 - unlinked 10000 (time 1788850595 ; total 48 ; last 48)
 - unlinked 20000 (time 1788850649 ; total 102 ; last 54)
unlink(/mnt/lustre/d51f.sanity/f20102) error: No such file or directory
total: 20102 unlinks in 103 seconds: 195.165054 unlinks/second