== sanity test 51f: check many open files limit ========== 13:50:26 (1787853026)
MDT0 numfree=     531852, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1072 (time 1787853040.27 total 10.00 last 107.17)
 - open/keep 2181 (time 1787853050.28 total 20.01 last 110.82)
 - open/keep 3306 (time 1787853060.28 total 30.01 last 112.46)
 - open/keep 4378 (time 1787853070.30 total 40.03 last 107.06)
 - open/keep 5357 (time 1787853080.30 total 50.03 last 97.85)
 - open/keep 6389 (time 1787853090.31 total 60.04 last 103.15)
 - open/keep 7382 (time 1787853100.32 total 70.05 last 99.21)
 - open/keep 8393 (time 1787853110.32 total 80.05 last 101.06)
 - open/keep 9417 (time 1787853120.32 total 90.05 last 102.39)
 - open/keep 10000 (time 1787853125.63 total 95.36 last 109.74)
 - open/keep 11027 (time 1787853135.64 total 105.36 last 102.68)
 - open/keep 12015 (time 1787853145.64 total 115.37 last 98.78)
total: 12495 open/keep in 120.00 seconds: 104.12 ops/second
 - closed 1871 (time 1787853160.28 total 10.00 last -1014.01)
 - closed 3514 (time 1787853170.28 total 20.01 last 164.25)
 - closed 5088 (time 1787853180.28 total 30.01 last 157.36)
 - closed 6836 (time 1787853190.28 total 40.01 last 174.79)
 - closed 8672 (time 1787853200.29 total 50.01 last 183.56)
 - closed 10000 (time 1787853208.07 total 57.80 last 170.54)
 - closed 11740 (time 1787853218.08 total 67.80 last 173.91)
total: 12495 close in 73.53 seconds: 169.94 close/second
 - unlinked 0 (time 1787853230 ; total 0 ; last 0)
 - unlinked 10000 (time 1787853330 ; total 100 ; last 100)
unlink(/mnt/lustre/d51f.sanity/f12495) error: No such file or directory
total: 12495 unlinks in 123 seconds: 101.585365 unlinks/second