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fsbench

I modify some files to comiple for my purpose

About shared memory

2T=102410241024 x 2k -> need too much share memory

reduce files to 0.5G

2T=10241024512 x 4k -> need 66G share memory

FILEBENCH_NFILESETENTRIES (1024 * 1024 * 512)

filebench-shm: 67608 MB  -> 66G memory !!
shm_bitmap: 18874368 KB
shm_lastbitmapindex: 0 KB
shm_fileset: 1036 KB
shm_filesetentry: 50331648 KB
shm_procflow: 200 KB
shm_threadflow: 2952 KB
shm_flowop: 20480 KB
shm_var: 32 KB
shm_avd_ptrs: 64 KB
shm_strings: 128 KB
shm_filesetpaths: 0 KB
shm_cvar_heap: 64 KB

reduce files to 64M

2T=1024102464 x 32k

FILEBENCH_NFILESETENTRIES (1024 * 1024 * 64)

set $nfiles=67108864
set $meandirwidth=10000
set $meanfilesize=32k

iosize=1m
memsize=10m

filebench-shm: 9496 MB  -> 9G memory nice!!
shm_bitmap: 2359296 KB
shm_lastbitmapindex: 0 KB
shm_fileset: 1036 KB
shm_filesetentry: 6291456 KB
shm_procflow: 200 KB
shm_threadflow: 2952 KB
shm_flowop: 20480 KB
shm_var: 32 KB
shm_avd_ptrs: 64 KB
shm_strings: 128 KB
shm_filesetpaths: 1048576 KB
shm_cvar_heap: 64 KB

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