Package org.apache.helix

Examples of org.apache.helix.HelixDataAccessor

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    }
    @Override
    public void doTransition(Message message, NotificationContext context)
    {
      HelixManager manager = context.getManager();
      HelixDataAccessor accessor = manager.getHelixDataAccessor();
      String fromState = message.getFromState();
      String toState = message.getToState();
      String instance = message.getTgtName();
      String partition = message.getPartitionName();
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  {
    @Override
    public void doTransition(Message message, NotificationContext context)
    {
      HelixManager manager = context.getManager();
      HelixDataAccessor accessor = manager.getHelixDataAccessor();
      String fromState = message.getFromState();
      String toState = message.getToState();
      String instance = message.getTgtName();
      String partition = message.getPartitionName();
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      Map<String, String> valMap = new HashMap<String, String>();
      valMap.put(metricName1, val1[i] + "");
      valMap.put(metricName2, val2[i] + "");
      record.setSimpleField("TimeStamp", new Date().getTime() + "");
      record.setMapField(_statName, valMap);
      HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
      Builder keyBuilder = helixDataAccessor.keyBuilder();
      helixDataAccessor
        .setProperty(keyBuilder.healthReport( manager.getInstanceName(), record.getId()), new HealthStat(record));
    }
    try
    {
      Thread.sleep(1000);
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      ZNRecord record = new ZNRecord(_stat);
      Map<String, String> valMap = new HashMap<String, String>();
      valMap.put(metricName2, val1[i] + "");
      record.setSimpleField("TimeStamp", new Date().getTime() + "");
      record.setMapField("TestStat@DB=TestDB;Partition=TestDB_3", valMap);
      HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
      Builder keyBuilder = helixDataAccessor.keyBuilder();
      helixDataAccessor
        .setProperty(keyBuilder.healthReport( manager.getInstanceName(), record.getId()), new HealthStat(record));
    }
    try
    {
      Thread.sleep(1000);
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    HelixManager manager = _startCMResultMap.get(controllerName)._manager;

    HealthStatsAggregationTask task = new HealthStatsAggregationTask(_startCMResultMap.get(controllerName)._manager);
    task.run();
    Thread.sleep(4000);
    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 CLUSTER_NAME));
    Assert.assertTrue(result);

    Builder kb = manager.getHelixDataAccessor().keyBuilder();
    ExternalView externalView = manager.getHelixDataAccessor().getProperty(kb.externalView("TestDB"));
    // Test the DISABLE_INSTANCE alerts
    String participant1 = "localhost_" + (START_PORT + 3);
    String participant2 = "localhost_" + (START_PORT + 2);
    ConfigAccessor configAccessor = manager.getConfigAccessor();
    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant1).build();
    String isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertFalse(Boolean.parseBoolean(isEnabled));

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant2).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertFalse(Boolean.parseBoolean(isEnabled));

    for(String partitionName : externalView.getRecord().getMapFields().keySet())
    {
      for(String hostName :  externalView.getRecord().getMapField(partitionName).keySet())
      {
        if(hostName.equals(participant1) || hostName.equals(participant2))
        {
          Assert.assertEquals(externalView.getRecord().getMapField(partitionName).get(hostName), "OFFLINE");
        }
      }
    }

    // enable the disabled instances
    setHealthData(metrics3, metrics3);
    task.run();
    Thread.sleep(1000);

    manager.getClusterManagmentTool().enableInstance(manager.getClusterName(), participant2, true);
    manager.getClusterManagmentTool().enableInstance(manager.getClusterName(), participant1, true);

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 CLUSTER_NAME));
    Assert.assertTrue(result);

    // Test the DISABLE_PARTITION case
    int[] metrics4 = {22, 115, 22, 16,163};
    setHealthData2(metrics4);
    task.run();

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant1).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertTrue(Boolean.parseBoolean(isEnabled));

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant2).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertTrue(Boolean.parseBoolean(isEnabled));

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 CLUSTER_NAME));
    Assert.assertTrue(result);
    String participant3 = "localhost_" + (START_PORT + 4);
    externalView = manager.getHelixDataAccessor().getProperty(kb.externalView("TestDB"));
    Assert.assertTrue(externalView.getRecord().getMapField("TestDB_3").get(participant3).equalsIgnoreCase("OFFLINE"));

    InstanceConfig nodeConfig =
        helixDataAccessor.getProperty(keyBuilder.instanceConfig(participant3));
    Assert.assertTrue(
        nodeConfig.getRecord().getListField(InstanceConfigProperty.HELIX_DISABLED_PARTITION.toString())
          .contains("TestDB_3"));

  }
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    Map<String, String> statFields = getStatFields("0", "0");
    _statsHolder.applyStat(incomingStatName, statFields);
    _statsHolder.persistStats();

    // check persistent stats
    HelixDataAccessor accessor = _helixManager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();

    ZNRecord rec = accessor.getProperty(keyBuilder.persistantStat()).getRecord();

    System.out.println("rec: " + rec.toString());
    AssertJUnit.assertTrue(statRecordHasValue(rec, persistentStat, "0.0"));
    AssertJUnit.assertTrue(statRecordHasTimestamp(rec, persistentStat, "0.0"));
  }
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    statFields = getStatFields("1", "10");
    _statsHolder.applyStat(incomingStatName, statFields);
    _statsHolder.persistStats();

    // check persistent stats
    HelixDataAccessor accessor = _helixManager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();

    ZNRecord rec = accessor.getProperty(keyBuilder.persistantStat()).getRecord();

    System.out.println("rec: " + rec.toString());
    AssertJUnit.assertTrue(statRecordHasValue(rec, persistentStat, "1.0"));
    AssertJUnit.assertTrue(statRecordHasTimestamp(rec, persistentStat, "10.0"));
  }
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    statFields = getStatFields("1", "10");
    _statsHolder.applyStat(incomingStatName, statFields);
    _statsHolder.persistStats();

    // check persistent stats
    HelixDataAccessor accessor = _helixManager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();

    ZNRecord rec = accessor.getProperty(keyBuilder.persistantStat()).getRecord();

    System.out.println("rec: " + rec.toString());
    AssertJUnit.assertTrue(statRecordHasValue(rec, persistentStat, "6.0"));
    AssertJUnit.assertTrue(statRecordHasTimestamp(rec, persistentStat, "15.0"));
  }
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    Map<String, String> statFields = getStatFields("0", "0");
    _statsHolder.applyStat(incomingStatName, statFields);
    _statsHolder.persistStats();

    // check persistent stats
    HelixDataAccessor accessor = _helixManager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();

    ZNRecord rec = accessor.getProperty(keyBuilder.persistantStat()).getRecord();

    System.out.println("rec: " + rec.toString());
    String persistentStat = "accumulate()(dbFoo.partition10.latency)";
    AssertJUnit.assertTrue(statRecordHasValue(rec, persistentStat, "0.0"));
    AssertJUnit.assertTrue(statRecordHasTimestamp(rec, persistentStat, "0.0"));
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    statFields = getStatFields("1", "10");
    _statsHolder.applyStat(incomingStatName, statFields);
    _statsHolder.persistStats();

    // check persistent stats
    HelixDataAccessor accessor = _helixManager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();

    ZNRecord rec = accessor.getProperty(keyBuilder.persistantStat()).getRecord();

    System.out.println("rec: " + rec.toString());
    String persistentStat = "accumulate()(dbFoo.partition10.latency)";
    AssertJUnit.assertTrue(statRecordHasValue(rec, persistentStat, "2.0"));
    AssertJUnit.assertTrue(statRecordHasTimestamp(rec, persistentStat, "10.0"));
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Related Classes of org.apache.helix.HelixDataAccessor

  • org.apache.helix.alerts.TestAddAlerts
  • org.apache.helix.alerts.TestAddPersistentStats
  • org.apache.helix.alerts.TestArrivingParticipantStats
  • org.apache.helix.api.accessor.TestAccessorRecreate
  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.rebalancer.FallbackRebalancer
  • org.apache.helix.controller.stages.ExternalViewComputeStage
  • org.apache.helix.controller.stages.PersistAssignmentStage
  • org.apache.helix.controller.stages.ReadClusterDataStage
  • org.apache.helix.controller.stages.ReadHealthDataStage
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