Package com.linkedin.helix.model

Examples of com.linkedin.helix.model.IdealState

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    String DB3 = "TestDB3";

    _setupTool.addResourceToCluster(CLUSTER_NAME, DB3, partitions, STATE_MODEL);
   
    IdealState testDB0 = _setupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, TEST_DB);
    IdealState testDB2 = _setupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, DB2);
    IdealState testDB3 = _setupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, DB3);
   
    for (int i = 0; i < 5; i++)
    {
      String storageNodeName = PARTICIPANT_PREFIX + ":" + (27960 + i);
      _setupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName);
    }
    String command = "-zkSvr localhost:2183 -expandCluster " + CLUSTER_NAME;
    ClusterSetup.processCommandLineArgs(command.split(" "));
   
    IdealState testDB0_1 = _setupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, TEST_DB);
    IdealState testDB2_1 = _setupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, DB2);
    IdealState testDB3_1 = _setupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, DB3);
   
    Map<String, Object> resultOld2 = ClusterSetup.buildInternalIdealState(testDB2);
    Map<String, Object> result2 = ClusterSetup.buildInternalIdealState(testDB2_1);
   
    TestEspressoStorageClusterIdealState.Verify(result2, partitions, replica - 1);

    Double masterKeepRatio = 0.0, slaveKeepRatio = 0.0;
    double[] result = TestEspressoStorageClusterIdealState.compareResult(resultOld2, result2);
    masterKeepRatio = result[0];
    slaveKeepRatio = result[1];
    Assert.assertTrue(masterKeepRatio > 0.49 && masterKeepRatio < 0.51);
   
    Assert.assertTrue(testDB3_1.getRecord().getListFields().size() == 0);
   
    // partitions should stay as same
    Assert.assertTrue(testDB0_1.getRecord().getListFields().keySet().containsAll(testDB0.getRecord().getListFields().keySet()));
    Assert.assertTrue(testDB0_1.getRecord().getListFields().size() == testDB0.getRecord().getListFields().size());
    Assert.assertTrue(testDB2_1.getRecord().getMapFields().keySet().containsAll(testDB2.getRecord().getMapFields().keySet()));
    Assert.assertTrue(testDB2_1.getRecord().getMapFields().size() == testDB2.getRecord().getMapFields().size());
    Assert.assertTrue(testDB3_1.getRecord().getMapFields().keySet().containsAll(testDB3.getRecord().getMapFields().keySet()));
    Assert.assertTrue(testDB3_1.getRecord().getMapFields().size() == testDB3.getRecord().getMapFields().size());
   
    Map<String, Object> resultOld = ClusterSetup.buildInternalIdealState(testDB0);
    Map<String, Object> resultNew = ClusterSetup.buildInternalIdealState(testDB0_1);
   
    result = TestEspressoStorageClusterIdealState.compareResult(resultOld, resultNew);
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    // set ideal state to customized mode
    ZkBaseDataAccessor<ZNRecord> baseAccessor =
        new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setIdealStateMode(IdealStateModeProperty.CUSTOMIZED.toString());
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

   
    // start controller
    ClusterController controller =
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    // set ideal state to customized mode
    ZkBaseDataAccessor<ZNRecord> baseAccessor =
        new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setIdealStateMode(IdealStateModeProperty.CUSTOMIZED.toString());
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

   
    // start controller
    ClusterController controller =
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    ZkBaseDataAccessor<ZNRecord> baseAccessor =
        new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB1"));
    idealState.setStateModelFactoryName("TestDB1_Factory");
    accessor.setProperty(keyBuilder.idealStates("TestDB1"), idealState);
    setupTool.rebalanceStorageCluster(clusterName, "TestDB1", 3);

    // external view for TestDB1 should be empty
    ExternalView extView = null;
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    for(int i = 0;i < nodes; i++)
    {
      relays.add("relay:123" + i);
    }
   
    IdealState idealstate = IdealStateCalculatorForEspressoRelay.calculateRelayIdealState(storageNodes, relays, "TEST", replica, "Leader", "Standby", "LeaderStandby");
   
    Assert.assertEquals(idealstate.getRecord().getListFields().size(), idealstate.getRecord().getMapFields().size());
   
    Map<String, Integer> countMap = new TreeMap<String, Integer>();
    for(String key  : idealstate.getRecord().getListFields().keySet())
    {
      Assert.assertEquals(idealstate.getRecord().getListFields().get(key).size(), idealstate.getRecord().getMapFields().get(key).size());
      List<String> list = idealstate.getRecord().getListFields().get(key);
      Map<String, String> map = idealstate.getRecord().getMapFields().get(key);
      Assert.assertEquals(list.size(), replica);
      for(String val : list)
      {
        if(!countMap.containsKey(val))
        {
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        {
          value.add("localhost_" + (p + r + 1) % nodes);
        }
        record.setListField(resourceName + "_" + p, value);
      }
      IdealState idealState = new IdealState(record);
      idealState.setStateModelDefRef("MasterSlave");
      idealState.setIdealStateMode(IdealStateModeProperty.AUTO.toString());
      idealState.setNumPartitions(partitions);
      idealStates.add(idealState);

//      System.out.println(idealState);

      Builder keyBuilder = accessor.keyBuilder();
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    Builder keyBuilder = helixDataAccessor.keyBuilder();
    ZNRecord rec = helixDataAccessor.getProperty(keyBuilder.idealStates(dbName)).getRecord();
    if (rec == null) {
      logger.debug("rec is null");
    }
    IdealState state = new IdealState(rec);
    return state.getNumPartitions();
  }
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    // set ideal state
    String resourceName = "testResource";
    ZNRecord record = IdealStateCalculatorForStorageNode.calculateIdealState(
        instances, partitions, replicas, resourceName, "MASTER", "SLAVE");
    IdealState idealState = new IdealState(record);
    idealState.setStateModelDefRef("MasterSlave");
   
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.idealStates(resourceName), idealState);

    // set live instances
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    ZNRecord idealStateOld1 = new ZNRecord("TestDB");
    ZNRecord idealStateOld2 = new ZNRecord("MyDB");
   
    IdealState is1 = helixAccessor.getProperty(helixAccessor.keyBuilder().idealStates("TestDB"));
    idealStateOld1.merge(is1.getRecord());
   

    IdealState is2 = helixAccessor.getProperty(helixAccessor.keyBuilder().idealStates("MyDB"));
    idealStateOld2.merge(is2.getRecord());
   
    String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + 0);
    ZKHelixAdmin tool = new ZKHelixAdmin(_zkClient);
    _setupTool.getClusterManagementTool().enableInstance(CLUSTER_NAME, instanceName, false);
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    tool.addInstance(clusterName, config);
    List<String> instances = tool.getInstancesInCluster(clusterName);
    AssertJUnit.assertEquals(1, instances.size());
    tool.dropInstance(clusterName, config);

    IdealState idealState = new IdealState("idealState");
    tool.setResourceIdealState(clusterName, "resource", idealState);
    idealState = tool.getResourceIdealState(clusterName, "resource");
    AssertJUnit.assertEquals(idealState.getId(), "idealState");

    tool.dropResource(clusterName, "resource");
    _store.stop();
  }
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Related Classes of com.linkedin.helix.model.IdealState

  • com.linkedin.helix.controller.stages.BaseStageTest
  • com.linkedin.helix.controller.stages.BestPossibleStateCalcStage
  • com.linkedin.helix.controller.stages.MessageGenerationPhase
  • com.linkedin.helix.controller.stages.MessageSelectionStage
  • com.linkedin.helix.controller.stages.TestCompatibilityCheckStage
  • com.linkedin.helix.controller.stages.TestResourceComputationStage
  • com.linkedin.helix.controller.TestControllerRebalancingTimer
  • com.linkedin.helix.controller.TestControllerRebalancingTimerPeriod
  • com.linkedin.helix.EspressoStorageMockNode
  • com.linkedin.helix.integration.FileCMTestBase
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