Slightly fuzz the delayed_write settings to avoid all buffers trying to flush at once.
Slightly fuzz the delayed_write settings to avoid all buffers trying to flush at once.

xuejianhai/riak_search,basho/riak_search,wwezhuimeng/riak_search,xuejianhai/riak_search,wwezhuimeng/riak_search,basho/riak_search