Package org.apache.helix.controller.pipeline

Examples of org.apache.helix.controller.pipeline.Pipeline

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    synchronized (GenericHelixController.class)
    {
      PipelineRegistry registry = new PipelineRegistry();

      // cluster data cache refresh
      Pipeline dataRefresh = new Pipeline();
      dataRefresh.addStage(new ReadClusterDataStage());

      // rebalance pipeline
      Pipeline rebalancePipeline = new Pipeline();
      rebalancePipeline.addStage(new ResourceComputationStage());
      rebalancePipeline.addStage(new CurrentStateComputationStage());
      rebalancePipeline.addStage(new BestPossibleStateCalcStage());
      rebalancePipeline.addStage(new MessageGenerationPhase());
      rebalancePipeline.addStage(new MessageSelectionStage());
      rebalancePipeline.addStage(new MessageThrottleStage());
      rebalancePipeline.addStage(new TaskAssignmentStage());

      // external view generation
      Pipeline externalViewPipeline = new Pipeline();
      externalViewPipeline.addStage(new ExternalViewComputeStage());

      // backward compatibility check
      Pipeline liveInstancePipeline = new Pipeline();
      liveInstancePipeline.addStage(new CompatibilityCheckStage());

      registry.register("idealStateChange", dataRefresh, rebalancePipeline);
      registry.register("currentStateChange",
                        dataRefresh,
                        rebalancePipeline,
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    _manager = manager;
    _delay = delay;
    _period = period;

    // health stats pipeline
    _healthStatsAggregationPipeline = new Pipeline();
    _healthStatsAggregationPipeline.addStage(new ReadHealthDataStage());
    StatsAggregationStage statAggregationStage = new StatsAggregationStage();
    _healthStatsAggregationPipeline.addStage(statAggregationStage);
    _alertItemCollection = statAggregationStage.getClusterAlertMBeanCollection();
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    setupIdealState(clusterName, new int[] { 0, 1 }, resourceGroups, 1, 2);
    setupLiveInstances(clusterName, new int[] { 0, 1 });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
    rebalancePipeline.addStage(new BestPossibleStateCalcStage());
    rebalancePipeline.addStage(new MessageGenerationPhase());
    rebalancePipeline.addStage(new MessageSelectionStage());
    rebalancePipeline.addStage(new MessageThrottleStage());
    rebalancePipeline.addStage(new TaskAssignmentStage());

    // round1: set node0 currentState to OFFLINE and node1 currentState to OFFLINE
    setCurrentState(clusterName,
                    "localhost_0",
                    resourceName,
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    setupIdealState(clusterName, new int[] { 0, 1 }, resourceGroups, 1, 2);
    setupLiveInstances(clusterName, new int[] { 0, 1 });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
    rebalancePipeline.addStage(new BestPossibleStateCalcStage());
    rebalancePipeline.addStage(new MessageGenerationPhase());
    rebalancePipeline.addStage(new MessageSelectionStage());
    rebalancePipeline.addStage(new MessageThrottleStage());
    rebalancePipeline.addStage(new TaskAssignmentStage());

    // round1: set node0 currentState to OFFLINE and node1 currentState to SLAVE
    setCurrentState(clusterName,
                    "localhost_0",
                    resourceName,
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    setupIdealState(clusterName, new int[] { 0, 1 }, resourceGroups, 1, 2);
    setupLiveInstances(clusterName, new int[] { 1 });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
    rebalancePipeline.addStage(new BestPossibleStateCalcStage());
    rebalancePipeline.addStage(new MessageGenerationPhase());
    rebalancePipeline.addStage(new MessageSelectionStage());
    rebalancePipeline.addStage(new MessageThrottleStage());
    rebalancePipeline.addStage(new TaskAssignmentStage());

    // round1: set node1 currentState to SLAVE
    setCurrentState(clusterName,
                    "localhost_1",
                    resourceName,
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    catch (Exception e)
    {
      // OK
    }

    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());
    runPipeline(event, dataRefresh);

    try
    {
      runStage(event, throttleStage);
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    // test messageThrottleStage
    ClusterEvent event = new ClusterEvent("testEvent");
    event.addAttribute("helixmanager", manager);

    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());
    runPipeline(event, dataRefresh);
    runStage(event, new ResourceComputationStage());
    MessageSelectionStageOutput msgSelectOutput = new MessageSelectionStageOutput();

    Message msg3 =
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    logger.info("createDefaultRegistry");
    synchronized (GenericHelixController.class) {
      PipelineRegistry registry = new PipelineRegistry();

      // cluster data cache refresh
      Pipeline dataRefresh = new Pipeline();
      dataRefresh.addStage(new ReadClusterDataStage());

      // rebalance pipeline
      Pipeline rebalancePipeline = new Pipeline();
      rebalancePipeline.addStage(new ResourceComputationStage());
      rebalancePipeline.addStage(new CurrentStateComputationStage());
      rebalancePipeline.addStage(new RebalanceIdealStateStage());
      rebalancePipeline.addStage(new BestPossibleStateCalcStage());
      rebalancePipeline.addStage(new MessageGenerationPhase());
      rebalancePipeline.addStage(new MessageSelectionStage());
      rebalancePipeline.addStage(new MessageThrottleStage());
      rebalancePipeline.addStage(new TaskAssignmentStage());

      // external view generation
      Pipeline externalViewPipeline = new Pipeline();
      externalViewPipeline.addStage(new ExternalViewComputeStage());

      // backward compatibility check
      Pipeline liveInstancePipeline = new Pipeline();
      liveInstancePipeline.addStage(new CompatibilityCheckStage());

      registry.register("idealStateChange", dataRefresh, rebalancePipeline);
      registry.register("currentStateChange", dataRefresh, rebalancePipeline, externalViewPipeline);
      registry.register("configChange", dataRefresh, rebalancePipeline);
      registry.register("liveInstanceChange", dataRefresh, liveInstancePipeline, rebalancePipeline,
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        0, 1
    });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
    rebalancePipeline.addStage(new BestPossibleStateCalcStage());
    rebalancePipeline.addStage(new MessageGenerationPhase());
    rebalancePipeline.addStage(new MessageSelectionStage());
    rebalancePipeline.addStage(new MessageThrottleStage());
    rebalancePipeline.addStage(new TaskAssignmentStage());

    // round1: set node0 currentState to OFFLINE and node1 currentState to OFFLINE
    setCurrentState(clusterName, "localhost_0", resourceName, resourceName + "_0", "session_0",
        "OFFLINE");
    setCurrentState(clusterName, "localhost_1", resourceName, resourceName + "_0", "session_1",
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        0, 1
    });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
    rebalancePipeline.addStage(new BestPossibleStateCalcStage());
    rebalancePipeline.addStage(new MessageGenerationPhase());
    rebalancePipeline.addStage(new MessageSelectionStage());
    rebalancePipeline.addStage(new MessageThrottleStage());
    rebalancePipeline.addStage(new TaskAssignmentStage());

    // round1: set node0 currentState to OFFLINE and node1 currentState to SLAVE
    setCurrentState(clusterName, "localhost_0", resourceName, resourceName + "_0", "session_0",
        "OFFLINE");
    setCurrentState(clusterName, "localhost_1", resourceName, resourceName + "_0", "session_1",
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Related Classes of org.apache.helix.controller.pipeline.Pipeline

  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.stages.TestMessageThrottleStage
  • org.apache.helix.controller.stages.TestRebalancePipeline
  • org.apache.helix.healthcheck.HealthStatsAggregationTask
  • org.apache.helix.healthcheck.HealthStatsAggregator
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