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 {bitcask, [
            {data_root, "<%= node[:riak][:basedir] -%>/bitcask"}
            <% if @bitcask_config -%>
            %% Bitcask tunning options
            <% end -%>
            <% @bitcask_config.each do |opt| -%>
            <%= ", #{opt}" %>
            <% end -%>             
           ]},