== sanity test 51f: check many open files limit ========== 17:54:47 (1787867687)
MDT0 numfree=     529968, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1167 (time 1787867701.91 total 10.01 last 116.54)
 - open/keep 2384 (time 1787867711.92 total 20.02 last 121.67)
 - open/keep 3656 (time 1787867721.92 total 30.02 last 127.11)
 - open/keep 4871 (time 1787867731.94 total 40.04 last 121.32)
 - open/keep 6031 (time 1787867741.94 total 50.04 last 115.95)
 - open/keep 7109 (time 1787867751.95 total 60.05 last 107.72)
 - open/keep 8254 (time 1787867761.96 total 70.06 last 114.43)
 - open/keep 9374 (time 1787867772.00 total 80.10 last 111.55)
 - open/keep 10000 (time 1787867778.10 total 86.20 last 102.53)
 - open/keep 10976 (time 1787867788.11 total 96.20 last 97.57)
 - open/keep 11966 (time 1787867798.11 total 106.21 last 98.95)
 - open/keep 13089 (time 1787867808.11 total 116.21 last 112.30)
total: 13522 open/keep in 120.02 seconds: 112.67 ops/second
 - closed 1838 (time 1787867821.93 total 10.01 last -1123.85)
 - closed 3829 (time 1787867831.93 total 20.01 last 199.07)
 - closed 5747 (time 1787867841.94 total 30.02 last 191.73)
 - closed 7460 (time 1787867851.94 total 40.02 last 171.26)
 - closed 9054 (time 1787867861.95 total 50.03 last 159.28)
 - closed 10000 (time 1787867866.63 total 54.71 last 202.07)
 - closed 11876 (time 1787867876.64 total 64.72 last 187.45)
total: 13522 close in 72.90 seconds: 185.50 close/second
 - unlinked 0 (time 1787867888 ; total 0 ; last 0)
 - unlinked 10000 (time 1787867978 ; total 90 ; last 90)
unlink(/mnt/lustre/d51f.sanity/f13522) error: No such file or directory
total: 13522 unlinks in 122 seconds: 110.836067 unlinks/second