== sanity test 51f: check many open files limit ========== 08:15:14 (1743509714)
MDT0 numfree=494873, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4734 (time 1743509725.55 total 10.00 last 473.39)
 - open/keep 9048 (time 1743509735.55 total 20.00 last 431.33)
 - open/keep 10000 (time 1743509737.96 total 22.42 last 394.06)
 - open/keep 14152 (time 1743509747.96 total 32.42 last 415.14)
 - open/keep 18434 (time 1743509757.96 total 42.42 last 428.18)
 - open/keep 20000 (time 1743509760.38 total 44.83 last 649.17)
 - open/keep 25143 (time 1743509770.38 total 54.83 last 514.18)
 - open/keep 29636 (time 1743509780.38 total 64.84 last 449.26)
 - open/keep 34135 (time 1743509790.38 total 74.84 last 449.88)
 - open/keep 40000 (time 1743509798.72 total 83.18 last 703.09)
 - open/keep 45311 (time 1743509808.72 total 93.18 last 531.10)
 - open/keep 50000 (time 1743509818.24 total 102.70 last 492.62)
 - open/keep 56284 (time 1743509828.24 total 112.70 last 628.35)
 - open/keep 60000 (time 1743509834.31 total 118.76 last 612.45)
total: 60908 open/keep in 120.00 seconds: 507.56 ops/second
 - closed 10000 (time 1743509844.14 total 8.60 last -5814.48)
 - closed 20000 (time 1743509852.62 total 17.08 last 1179.56)
 - closed 30000 (time 1743509860.94 total 25.40 last 1201.86)
 - closed 40000 (time 1743509869.04 total 33.49 last 1235.76)
 - closed 50000 (time 1743509877.54 total 41.99 last 1176.37)
 - closed 60000 (time 1743509887.37 total 51.82 last 1016.86)
total: 60908 close in 53.45 seconds: 1139.62 close/second
 - unlinked 0 (time 1743509890 ; total 0 ; last 0)
 - unlinked 10000 (time 1743509903 ; total 13 ; last 13)
 - unlinked 20000 (time 1743509914 ; total 24 ; last 11)
 - unlinked 30000 (time 1743509925 ; total 35 ; last 11)
 - unlinked 40000 (time 1743509935 ; total 45 ; last 10)
 - unlinked 50000 (time 1743509946 ; total 56 ; last 11)
 - unlinked 60000 (time 1743509956 ; total 66 ; last 10)
unlink(/mnt/lustre/d51f.sanity/f60908) error: No such file or directory
total: 60908 unlinks in 67 seconds: 909.074646 unlinks/second