Package org.apache.helix.controller.stages

Examples of org.apache.helix.controller.stages.MessageSelectionStage

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    stateTransitionPriorities.put("MASTER-SLAVE", 0);
    stateTransitionPriorities.put("SLAVE-MASTER", 1);


    List<Message> selectedMsg =
        new MessageSelectionStage().selectMessages(liveInstances,
                                                   currentStates,
                                                   pendingStates,
                                                   messages,
                                                   stateConstraints,
                                                   stateTransitionPriorities,
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    Map<String, Integer> stateTransitionPriorities = new HashMap<String, Integer>();
    stateTransitionPriorities.put("MASTER-SLAVE", 0);
    stateTransitionPriorities.put("SLAVE-MASTER", 1);

    List<Message> selectedMsg =
        new MessageSelectionStage().selectMessages(liveInstances,
                                                   currentStates,
                                                   pendingStates,
                                                   messages,
                                                   stateConstraints,
                                                   stateTransitionPriorities,
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      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();
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    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,
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    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,
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    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,
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      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();
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    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",
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    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",
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    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, resourceName + "_0", "session_1",
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Related Classes of org.apache.helix.controller.stages.MessageSelectionStage

  • org.apache.helix.api.Cluster
  • org.apache.helix.api.config.ResourceConfig
  • org.apache.helix.api.Resource
  • org.apache.helix.api.State
  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.rebalancer.context.ReplicatedRebalancerContext
  • org.apache.helix.controller.stages.TestMsgSelectionStage
  • org.apache.helix.controller.stages.TestRebalancePipeline
  • org.apache.helix.model.IdealState
  • org.apache.helix.model.Resource
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