Package com.linkedin.helix

Examples of com.linkedin.helix.ConfigAccessor

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  private static Logger logger = Logger.getLogger(ZKHelixAdmin.class);

  public ZKHelixAdmin(ZkClient zkClient)
  {
    _zkClient = zkClient;
    _configAccessor = new ConfigAccessor(zkClient);
  }
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  public void TestThreadPoolSizeConfig()
  {
    String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + 0);
    HelixManager manager = _startCMResultMap.get(instanceName)._manager;
   
    ConfigAccessor accessor = manager.getConfigAccessor();
    ConfigScope scope =
        new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(instanceName).build();
    accessor.set(scope, "TestMsg."+ HelixTaskExecutor.MAX_THREADS, ""+12);
   
    scope =
        new ConfigScopeBuilder().forCluster(manager.getClusterName()).build();
    accessor.set(scope, "TestMsg."+ HelixTaskExecutor.MAX_THREADS, ""+8);
   
    for (int i = 0; i < NODE_NR; i++)
    {
      instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
     
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  @Test
  public void TestThreadPoolSizeConfig()
  {
    String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + 0);
    HelixManager manager = _startCMResultMap.get(instanceName)._manager;
    ConfigAccessor accessor = manager.getConfigAccessor();
    ConfigScope scope =
        new ConfigScopeBuilder().forCluster(manager.getClusterName()).forResource("NextDB").build();
    accessor.set(scope, HelixTaskExecutor.MAX_THREADS, ""+12);
   
    _setupTool.addResourceToCluster(CLUSTER_NAME, "NextDB", 64, STATE_MODEL);
    _setupTool.rebalanceStorageCluster(CLUSTER_NAME, "NextDB", 3);
   
    boolean result = ClusterStateVerifier.verifyByPolling(
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  void checkResourceConfig(String resourceName, HelixManager manager)
  {
    if (!_resourceThreadpoolSizeMap.containsKey(resourceName))
    {
      int threadpoolSize = -1;
      ConfigAccessor configAccessor = manager.getConfigAccessor();
      if (configAccessor != null)
      {
        ConfigScope scope =
            new ConfigScopeBuilder().forCluster(manager.getClusterName())
                                    .forResource(resourceName)
                                    .build();

        String threadpoolSizeStr = configAccessor.get(scope, MAX_THREADS);
        try
        {
          if (threadpoolSizeStr != null)
          {
            threadpoolSize = Integer.parseInt(threadpoolSizeStr);
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  }

  protected void enableHealthCheck(String clusterName)
  {
    ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName).build();
    new ConfigAccessor(_gZkClient).set(scope, "healthChange" + ".enabled", "" + true);
  }
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  private static Logger logger = Logger.getLogger(ZKHelixAdmin.class);

  public ZKHelixAdmin(ZkClient zkClient)
  {
    _zkClient = zkClient;
    _configAccessor = new ConfigAccessor(zkClient);
  }
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    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));
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  void checkResourceConfig(String resourceName, HelixManager manager)
  {
    if (!_resourceThreadpoolSizeMap.containsKey(resourceName))
    {
      int threadpoolSize = -1;
      ConfigAccessor configAccessor = manager.getConfigAccessor();
      if (configAccessor != null)
      {
        ConfigScope scope =
            new ConfigScopeBuilder().forCluster(manager.getClusterName())
                                    .forResource(resourceName)
                                    .build();

        String threadpoolSizeStr = configAccessor.get(scope, MAX_THREADS);
        try
        {
          if (threadpoolSizeStr != null)
          {
            threadpoolSize = Integer.parseInt(threadpoolSizeStr);
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      _baseDataAccessor = baseDataAccessor;
    }

    _helixAccessor =
        new ZKHelixDataAccessor(_clusterName, _instanceType, _baseDataAccessor);
    _configAccessor = new ConfigAccessor(_zkClient);
    int retryCount = 0;

    _zkClient.subscribeStateChanges(_zkStateChangeListener);
    while (retryCount < RETRY_LIMIT)
    {
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    _logger.info("registering msg factory for type " + type);
    int threadpoolSize = HelixTaskExecutor.DEFAULT_PARALLEL_TASKS;
    String threadpoolSizeStr = null;
    String key = type + "." + HelixTaskExecutor.MAX_THREADS;
   
    ConfigAccessor configAccessor = _manager.getConfigAccessor();
    if(configAccessor != null)
    {
      ConfigScope scope = null;
     
      // Read the participant config and cluster config for the per-message type thread pool size.
      // participant config will override the cluster config.
     
      if(_manager.getInstanceType() == InstanceType.PARTICIPANT || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
      {
        scope = new ConfigScopeBuilder().forCluster(_manager.getClusterName()).forParticipant(_manager.getInstanceName()).build();
        threadpoolSizeStr = configAccessor.get(scope, key);
      }
     
      if(threadpoolSizeStr == null)
      {
        scope = new ConfigScopeBuilder().forCluster(_manager.getClusterName()).build();
        threadpoolSizeStr = configAccessor.get(scope, key);
      }
    }
   
    if(threadpoolSizeStr != null)
    {
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Related Classes of com.linkedin.helix.ConfigAccessor

  • com.linkedin.helix.healthcheck.HealthStatsAggregationTask
  • com.linkedin.helix.healthcheck.TestAlertActionTriggering
  • com.linkedin.helix.integration.ZkIntegrationTestBase
  • com.linkedin.helix.manager.zk.ZKHelixAdmin
  • com.linkedin.helix.manager.zk.ZKHelixManager
  • com.linkedin.helix.messaging.DefaultMessagingService
  • com.linkedin.helix.messaging.handling.HelixTaskExecutor
  • com.linkedin.helix.messaging.handling.TestConfigThreadpoolSize
  • com.linkedin.helix.messaging.handling.TestResourceThreadpoolSize
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