public TaskTrackerMetricsInst(TaskTracker t) { super(t); JobConf conf = tt.getJobConf(); String sessionId = conf.getSessionId(); // Initiate Java VM Metrics JvmMetrics.init("TaskTracker", sessionId); // Create a record for Task Tracker metrics MetricsContext context = MetricsUtil.getContext("mapred"); metricsRecord = MetricsUtil.createRecord(context, "tasktracker"); // guaranteed never null metricsRecord.setTag("sessionId", sessionId); context.registerUpdater(this); }
public RpcMetrics(String hostName, String port, Server server) { myServer = server; MetricsContext context = MetricsUtil.getContext("rpc"); metricsRecord = MetricsUtil.createRecord(context, "metrics"); metricsRecord.setTag("port", port); LOG.info("Initializing RPC Metrics with hostName=" + hostName + ", port=" + port); context.registerUpdater(this); // Need to clean up the interface to RpcMgt - don't need both metrics // and server params rpcMBean = new RpcActivityMBean(registry, hostName, port); }