bitcask settings for example riak cluster

gistfile1.txt

 {bitcask, [
       {max_file_size, 268435456}, %% maximum 256 mb files
       {frag_merge_trigger, 35}, %% fragmentation >= 35%
       {dead_bytes_merge_trigger, 134217728}, %% dead bytes > 128 MB
       {frag_threshold, 20}, %% fragmentation >= 20%
       {dead_bytes_threshold, 33554432}, %% dead bytes > 32 MB
       {small_file_threshold, 10485760}, %% file is < 10MB
     ]}