== sanity test 51f: check many open files limit ========== 20:05:09 (1781222709)
MDT0 numfree=     533094, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2057 (time 1781222721.08 total 10.01 last 205.57)
 - open/keep 4231 (time 1781222731.09 total 20.02 last 217.17)
 - open/keep 6272 (time 1781222741.10 total 30.02 last 204.03)
 - open/keep 8617 (time 1781222751.10 total 40.02 last 234.39)
 - open/keep 10000 (time 1781222757.27 total 46.19 last 224.28)
 - open/keep 12065 (time 1781222767.27 total 56.20 last 206.38)
 - open/keep 14452 (time 1781222777.28 total 66.20 last 238.64)
 - open/keep 17082 (time 1781222787.28 total 76.20 last 262.93)
 - open/keep 19440 (time 1781222797.28 total 86.21 last 235.73)
 - open/keep 20000 (time 1781222799.43 total 88.35 last 260.93)
 - open/keep 22324 (time 1781222809.43 total 98.35 last 232.34)
 - open/keep 24610 (time 1781222819.43 total 108.36 last 228.56)
 - open/keep 27296 (time 1781222829.43 total 118.36 last 268.56)
total: 27780 open/keep in 120.00 seconds: 231.49 ops/second
 - closed 5323 (time 1781222841.08 total 10.00 last -2197.24)
 - closed 10000 (time 1781222849.38 total 18.30 last 563.69)
 - closed 15730 (time 1781222859.38 total 28.30 last 572.98)
 - closed 20000 (time 1781222867.95 total 36.87 last 498.13)
 - closed 24764 (time 1781222877.95 total 46.87 last 476.38)
total: 27780 close in 53.10 seconds: 523.12 close/second
 - unlinked 0 (time 1781222885 ; total 0 ; last 0)
 - unlinked 10000 (time 1781222929 ; total 44 ; last 44)
 - unlinked 20000 (time 1781222969 ; total 84 ; last 40)
unlink(/mnt/lustre/d51f.sanity/f27780) error: No such file or directory
total: 27780 unlinks in 113 seconds: 245.840714 unlinks/second