== sanity test 51f: check many open files limit ========== 14:23:59 (1790101439)
MDT0 numfree=533094, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1000 (time 1790101454.90 total 10.00 last 99.95)
 - open/keep 1994 (time 1790101464.90 total 20.01 last 99.36)
 - open/keep 3077 (time 1790101474.90 total 30.01 last 108.30)
 - open/keep 4123 (time 1790101484.91 total 40.02 last 104.54)
 - open/keep 5215 (time 1790101494.92 total 50.02 last 109.15)
 - open/keep 6166 (time 1790101504.92 total 60.02 last 95.06)
 - open/keep 7132 (time 1790101514.92 total 70.03 last 96.58)
 - open/keep 8131 (time 1790101524.93 total 80.03 last 99.83)
 - open/keep 9193 (time 1790101534.93 total 90.04 last 106.15)
 - open/keep 10000 (time 1790101542.59 total 97.69 last 105.40)
 - open/keep 11058 (time 1790101552.59 total 107.70 last 105.76)
 - open/keep 12175 (time 1790101562.59 total 117.70 last 111.69)
total: 12403 open/keep in 120.01 seconds: 103.35 ops/second
 - closed 1800 (time 1790101574.91 total 10.01 last -1036.92)
 - closed 3639 (time 1790101584.91 total 20.01 last 183.90)
 - closed 5468 (time 1790101594.92 total 30.02 last 182.71)
 - closed 7316 (time 1790101604.93 total 40.02 last 184.76)
 - closed 9129 (time 1790101614.93 total 50.02 last 181.28)
 - closed 10000 (time 1790101619.96 total 55.05 last 173.14)
 - closed 11784 (time 1790101629.96 total 65.05 last 178.36)
total: 12403 close in 68.96 seconds: 179.85 close/second
 - unlinked 0 (time 1790101638 ; total 0 ; last 0)
 - unlinked 10000 (time 1790101725 ; total 87 ; last 87)
unlink(/mnt/lustre/d51f.sanity/f12403) error: No such file or directory
total: 12403 unlinks in 108 seconds: 114.842590 unlinks/second