== sanity test 51f: check many open files limit ========== 09:15:41 (1788268541)
MDT0 numfree=533736, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1917 (time 1788268553.55 total 10.00 last 191.68)
 - open/keep 3985 (time 1788268563.55 total 20.00 last 206.73)
 - open/keep 5715 (time 1788268573.56 total 30.01 last 172.93)
 - open/keep 7193 (time 1788268583.56 total 40.01 last 147.75)
 - open/keep 8767 (time 1788268593.57 total 50.02 last 157.30)
 - open/keep 10000 (time 1788268599.96 total 56.41 last 192.78)
 - open/keep 12135 (time 1788268609.96 total 66.42 last 213.48)
 - open/keep 13934 (time 1788268619.97 total 76.42 last 179.78)
 - open/keep 16013 (time 1788268629.97 total 86.43 last 207.83)
 - open/keep 17801 (time 1788268639.97 total 96.43 last 178.77)
 - open/keep 19923 (time 1788268649.98 total 106.43 last 212.09)
 - open/keep 22193 (time 1788268659.98 total 116.43 last 226.98)
total: 22972 open/keep in 120.01 seconds: 191.42 ops/second
 - closed 3431 (time 1788268673.55 total 10.00 last -1876.09)
 - closed 6509 (time 1788268683.56 total 20.00 last 307.73)
 - closed 9316 (time 1788268693.56 total 30.00 last 280.69)
 - closed 10000 (time 1788268695.91 total 32.36 last 290.80)
 - closed 13056 (time 1788268705.91 total 42.36 last 305.58)
 - closed 15904 (time 1788268715.91 total 52.36 last 284.74)
 - closed 18694 (time 1788268725.91 total 62.36 last 278.96)
 - closed 20000 (time 1788268730.66 total 67.10 last 275.29)
 - closed 22498 (time 1788268740.66 total 77.10 last 249.79)
total: 22972 close in 78.80 seconds: 291.52 close/second
 - unlinked 0 (time 1788268744 ; total 0 ; last 0)
 - unlinked 10000 (time 1788268794 ; total 50 ; last 50)
 - unlinked 20000 (time 1788268833 ; total 89 ; last 39)
unlink(/mnt/lustre/d51f.sanity/f22972) error: No such file or directory
total: 22972 unlinks in 104 seconds: 220.884613 unlinks/second