== sanity test 51f: check many open files limit ========== 22:35:57 (1787711757)
MDT0 numfree=531852, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1396 (time 1787711772.71 total 10.00 last 139.60)
 - open/keep 2630 (time 1787711782.71 total 20.00 last 123.40)
 - open/keep 4242 (time 1787711792.71 total 30.00 last 161.18)
 - open/keep 5776 (time 1787711802.71 total 40.00 last 153.38)
 - open/keep 7281 (time 1787711812.71 total 50.00 last 150.49)
 - open/keep 8570 (time 1787711822.72 total 60.01 last 128.82)
 - open/keep 9772 (time 1787711832.72 total 70.01 last 120.18)
 - open/keep 11171 (time 1787711842.73 total 80.02 last 139.77)
 - open/keep 12598 (time 1787711852.73 total 90.02 last 142.65)
 - open/keep 14054 (time 1787711862.74 total 100.03 last 145.53)
 - open/keep 15420 (time 1787711872.74 total 110.03 last 136.58)
total: 16683 open/keep in 120.00 seconds: 139.02 ops/second
 - closed 2411 (time 1787711892.72 total 10.00 last -1300.50)
 - closed 4831 (time 1787711902.72 total 20.01 last 241.95)
 - closed 7307 (time 1787711912.72 total 30.01 last 247.52)
 - closed 9388 (time 1787711922.72 total 40.01 last 208.08)
 - closed 10000 (time 1787711926.06 total 43.35 last 183.21)
 - closed 11868 (time 1787711936.06 total 53.35 last 186.79)
 - closed 13820 (time 1787711946.07 total 63.35 last 195.14)
 - closed 16073 (time 1787711956.07 total 73.35 last 225.28)
total: 16683 close in 75.98 seconds: 219.57 close/second
 - unlinked 0 (time 1787711963 ; total 0 ; last 0)
 - unlinked 10000 (time 1787712044 ; total 81 ; last 81)
unlink(/mnt/lustre/d51f.sanity/f16683) error: No such file or directory
total: 16683 unlinks in 132 seconds: 126.386360 unlinks/second