Examples with SystemBolt org.apache.storm.metric.SystemBolt used on opensource projects

Example 1 with SystemBolt

use of org.apache.storm.metric.SystemBolt in project storm by apache.

the class StormCommon method addSystemComponents.

@SuppressWarnings("unused")
public static void addSystemComponents(Map conf, StormTopology topology) {
    Map<String, StreamInfo> outputStreams = new HashMap<>();
    outputStreams.put(Constants.SYSTEM_TICK_STREAM_ID, Thrift.outputFields(Arrays.asList("rate_secs")));
    outputStreams.put(Constants.METRICS_TICK_STREAM_ID, Thrift.outputFields(Arrays.asList("interval")));
    outputStreams.put(Constants.CREDENTIALS_CHANGED_STREAM_ID, Thrift.outputFields(Arrays.asList("creds")));
    Map<String, Object> boltConf = new HashMap<>();
    boltConf.put(Config.TOPOLOGY_TASKS, 0);
    Bolt systemBoltSpec = Thrift.prepareSerializedBoltDetails(null, new SystemBolt(), outputStreams, 0, boltConf);
    topology.put_to_bolts(Constants.SYSTEM_COMPONENT_ID, systemBoltSpec);
}