== sanity test 51f: check many open files limit ========== 17:31:54 (1777584714)
MDT0 numfree=     526469, max=100000
changed ulimit from 1024 to 100020
 - open/keep 966 (time 1777584729.21 total 10.01 last 96.55)
 - open/keep 1991 (time 1777584739.22 total 20.01 last 102.44)
 - open/keep 3072 (time 1777584749.22 total 30.01 last 108.09)
 - open/keep 4149 (time 1777584759.22 total 40.01 last 107.70)
 - open/keep 5160 (time 1777584769.22 total 50.02 last 101.07)
 - open/keep 6034 (time 1777584779.23 total 60.03 last 87.29)
 - open/keep 6967 (time 1777584789.24 total 70.04 last 93.21)
 - open/keep 7915 (time 1777584799.25 total 80.04 last 94.75)
 - open/keep 8814 (time 1777584809.26 total 90.05 last 89.83)
 - open/keep 9716 (time 1777584819.26 total 100.06 last 90.15)
 - open/keep 10000 (time 1777584822.05 total 102.84 last 101.97)
 - open/keep 11000 (time 1777584832.06 total 112.86 last 99.85)
total: 11647 open/keep in 120.01 seconds: 97.05 ops/second
 - closed 1678 (time 1777584849.21 total 10.00 last -932.17)
 - closed 3439 (time 1777584859.22 total 20.01 last 175.86)
 - closed 5247 (time 1777584869.23 total 30.02 last 180.77)
 - closed 6995 (time 1777584879.23 total 40.02 last 174.79)
 - closed 8845 (time 1777584889.23 total 50.02 last 184.96)
 - closed 10000 (time 1777584895.03 total 55.82 last 199.15)
total: 11647 close in 64.36 seconds: 180.97 close/second
 - unlinked 0 (time 1777584907 ; total 0 ; last 0)
 - unlinked 10000 (time 1777584998 ; total 91 ; last 91)
unlink(/mnt/lustre/d51f.sanity/f11647) error: No such file or directory
total: 11647 unlinks in 106 seconds: 109.877357 unlinks/second