hi. we are trying to run Riak in the Amazon cloud (using OpsWorks). With every restart of the servers the ip addresses change so using an entry in the /etc/hosts instead of an IP looks like a great idea.
Google's answer is: http://lists.basho.com/pipermail/riak-users_lists.basho.com/2011-December/006912.html Just to make sure: Riak only supports IP addresses and not DNS names in the config files. Though in your docs it still says: "Riak identifies other machines in the ring using Erlang identifiers (<hostname or IP>, ex: riak@10.9.8.7)." The error logged when changing our config from something like 172.31.41.138 to riaknode2-ext is: 2013-09-19 21:49:53.383 [error] <0.113.0> Supervisor riak_core_sup had child "http_riaknode2-ext:8098" started with webmachine_mochiweb:start([{name,"http_riaknode2-ext:8098"},{ip,"riaknode2-ext"},{port,8098},{nodelay,true},{log_dir,"log"},...]) at undefined exit with reason {'EXIT',{{badmatch,{error,einval}},[{mochiweb_socket_server,parse_options,2},{mochiweb_socket_server,start,1},{supervisor,do_start_child,2},{supervisor,start_children,3},{supervisor,init_children,2},{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}} in context start_error Thanks a bunch. Have a great day. Michael
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