riak_core.app.src

%% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
{application, riak_core,
[
  {description, "Riak Core"},
  {vsn, git},
  {modules, []},
  {registered, []},
  {included_applications, [riak_ensemble]},
  {applications, [
                  kernel,
                  stdlib,
                  sasl,
                  crypto,
                  ssl,
                  runtime_tools,
                  inets,
                  compiler,
                  riak_sysmon,
                  os_mon,
                  eleveldb,
                  pbkdf2,
                  poolboy,
                  exometer_core,
                  clique,
                  cluster_info,
                  basho_stats
                 ]},
  {mod, {riak_core_app, []}},
  {env, [
         %% Cluster name
         {cluster_name, "default"},

         %% Default location for ring, cluster and other data files
         {platform_data_dir, "data"},

         %% Default ring creation size.  Make sure it is a power of 2,
         %% e.g. 16, 32, 64, 128, 256, 512 etc
         {ring_creation_size, 64},

         %% Default gossip interval (milliseconds)
         {gossip_interval, 60000},

         %% Target N value
         {target_n_val, 4},

         %% Default claims functions
         {wants_claim_fun,
            {riak_core_membership_claim, default_wants_claim}},
         {choose_claim_fun,
            {riak_core_membership_claim, default_choose_claim}},

         %% Vnode inactivity timeout (how often to check if fallback vnodes
         %% should return their data) in ms.
         {vnode_inactivity_timeout, 60000},

         %% Number of VNodes allowed to do handoff concurrently.
         {handoff_concurrency, 2},

         %% Disable Nagle on HTTP sockets
         {disable_http_nagle, true},

         %% Handoff IP/port
         {handoff_port, 8099},
         {handoff_ip, "0.0.0.0"},

         %% Disterl buffer sizes in bytes.
         %% These sizes (3*128*1024 & 6*128*1024) were
         %% derived from a limited amount of testing in a
         %% 10GE environment, and may need tuning for your
         %% network and workload. In particular they're likely
         %% too small to be optimal for larger object sizes.
         {dist_send_buf_size, 393216},
         {dist_recv_buf_size, 786432},

	 %% Exometer defaults
	 {exometer_defaults,
	  [
	   {['_'], histogram, [{options,
				[{histogram_module, exometer_slot_slide},
				 {keep_high, 500}]}
			    ]}
	  ]}
        ]}
 ]}.