== sanity test 51f: check many open files limit ========== 00:54:47 (1788670487)
MDT0 numfree=533198, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1199 (time 1788670502.07 total 10.01 last 119.84)
 - open/keep 2562 (time 1788670512.07 total 20.01 last 136.27)
 - open/keep 3759 (time 1788670522.07 total 30.01 last 119.63)
 - open/keep 5191 (time 1788670532.08 total 40.02 last 143.16)
 - open/keep 6619 (time 1788670542.08 total 50.02 last 142.79)
 - open/keep 7976 (time 1788670552.09 total 60.03 last 135.53)
 - open/keep 9267 (time 1788670562.10 total 70.03 last 129.04)
 - open/keep 10000 (time 1788670567.73 total 75.67 last 130.09)
 - open/keep 11129 (time 1788670577.74 total 85.68 last 112.83)
 - open/keep 12510 (time 1788670587.74 total 95.68 last 138.02)
 - open/keep 13655 (time 1788670597.74 total 105.68 last 114.47)
 - open/keep 14951 (time 1788670607.75 total 115.69 last 129.53)
total: 15581 open/keep in 120.00 seconds: 129.84 ops/second
 - closed 2550 (time 1788670622.07 total 10.00 last -1239.95)
 - closed 4495 (time 1788670632.07 total 20.00 last 194.45)
 - closed 6921 (time 1788670642.07 total 30.01 last 242.57)
 - closed 9053 (time 1788670652.07 total 40.01 last 213.19)
 - closed 10000 (time 1788670657.36 total 45.29 last 179.16)
 - closed 12480 (time 1788670667.37 total 55.30 last 247.72)
 - closed 14892 (time 1788670677.37 total 65.31 last 241.15)
total: 15581 close in 68.29 seconds: 228.17 close/second
 - unlinked 0 (time 1788670684 ; total 1 ; last 1)
 - unlinked 10000 (time 1788670755 ; total 72 ; last 71)
unlink(/mnt/lustre/d51f.sanity/f15581) error: No such file or directory
total: 15581 unlinks in 114 seconds: 136.675446 unlinks/second