== sanity test 51f: check many open files limit ========== 00:26:58 (1788841618)
MDT0 numfree=534409, max=100000
changed ulimit from 1024 to 100020
 - open/keep 979 (time 1788841633.15 total 10.01 last 97.84)
 - open/keep 2134 (time 1788841643.15 total 20.01 last 115.42)
 - open/keep 3328 (time 1788841653.16 total 30.01 last 119.38)
 - open/keep 4434 (time 1788841663.17 total 40.03 last 110.45)
 - open/keep 5577 (time 1788841673.19 total 50.05 last 114.05)
 - open/keep 6500 (time 1788841683.21 total 60.07 last 92.09)
 - open/keep 7374 (time 1788841693.22 total 70.08 last 87.34)
 - open/keep 8336 (time 1788841703.23 total 80.09 last 96.11)
 - open/keep 9118 (time 1788841713.23 total 90.09 last 78.18)
 - open/keep 10000 (time 1788841722.42 total 99.28 last 95.99)
 - open/keep 10995 (time 1788841732.42 total 109.28 last 99.49)
 - open/keep 11908 (time 1788841742.43 total 119.29 last 91.19)
total: 12000 open/keep in 120.01 seconds: 99.99 ops/second
 - closed 1674 (time 1788841753.15 total 10.00 last -1023.31)
 - closed 3823 (time 1788841763.16 total 20.00 last 214.83)
 - closed 5798 (time 1788841773.16 total 30.01 last 197.48)
 - closed 7713 (time 1788841783.17 total 40.02 last 191.21)
 - closed 9656 (time 1788841793.17 total 50.02 last 194.28)
 - closed 10000 (time 1788841795.15 total 52.00 last 174.26)
 - closed 11953 (time 1788841805.15 total 62.00 last 195.27)
total: 12000 close in 62.20 seconds: 192.91 close/second
 - unlinked 0 (time 1788841811 ; total 0 ; last 0)
 - unlinked 10000 (time 1788841895 ; total 84 ; last 84)
unlink(/mnt/lustre/d51f.sanity/f12000) error: No such file or directory
total: 12000 unlinks in 102 seconds: 117.647057 unlinks/second