== sanity test 51f: check many open files limit ========== 09:38:15 (1787319495)
MDT0 numfree=     531852, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1073 (time 1787319510.47 total 10.00 last 107.26)
 - open/keep 2021 (time 1787319520.49 total 20.02 last 94.68)
 - open/keep 3040 (time 1787319530.50 total 30.03 last 101.72)
 - open/keep 4005 (time 1787319540.51 total 40.04 last 96.47)
 - open/keep 4991 (time 1787319550.56 total 50.09 last 98.12)
 - open/keep 5923 (time 1787319560.56 total 60.09 last 93.20)
 - open/keep 7133 (time 1787319570.56 total 70.09 last 120.95)
 - open/keep 8147 (time 1787319580.56 total 80.09 last 101.39)
 - open/keep 9190 (time 1787319590.57 total 90.10 last 104.21)
 - open/keep 10000 (time 1787319598.59 total 98.12 last 100.95)
 - open/keep 10984 (time 1787319608.59 total 108.12 last 98.40)
 - open/keep 11979 (time 1787319618.60 total 118.13 last 99.48)
total: 12182 open/keep in 120.01 seconds: 101.51 ops/second
 - closed 1760 (time 1787319630.48 total 10.00 last -1021.75)
 - closed 3961 (time 1787319640.49 total 20.01 last 219.96)
 - closed 6013 (time 1787319650.49 total 30.01 last 205.13)
 - closed 7717 (time 1787319660.49 total 40.01 last 170.36)
 - closed 9295 (time 1787319670.50 total 50.02 last 157.67)
 - closed 10000 (time 1787319674.23 total 53.75 last 189.15)
 - closed 11812 (time 1787319684.24 total 63.76 last 181.05)
total: 12182 close in 65.81 seconds: 185.12 close/second
 - unlinked 0 (time 1787319691 ; total 0 ; last 0)
 - unlinked 10000 (time 1787319785 ; total 94 ; last 94)
unlink(/mnt/lustre/d51f.sanity/f12182) error: No such file or directory
total: 12182 unlinks in 114 seconds: 106.859650 unlinks/second