Package com.linkedin.helix.manager.zk

Examples of com.linkedin.helix.manager.zk.ZKHelixAdmin

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    Assert.assertEquals(message.getToState(), "SLAVE");
    Assert.assertEquals(message.getTgtName(), "localhost_0");

    // round2: drop resource, but keep the
    // message, make sure controller should not send O->DROPPEDN until O->S is done
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    admin.dropResource(clusterName, resourceName);

    runPipeline(event, dataRefresh);
    runPipeline(event, rebalancePipeline);
    msgSelOutput = event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
    messages = msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
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    ZkClient zkclient =
        new ZkClient(zkAddr,
                     ZkClient.DEFAULT_SESSION_TIMEOUT,
                     ZkClient.DEFAULT_CONNECTION_TIMEOUT,
                     new ZNRecordSerializer());
    ZKHelixAdmin admin = new ZKHelixAdmin(zkclient);
    admin.addCluster(clusterName, true);

    // add MasterSlave state mode definition
    StateModelConfigGenerator generator = new StateModelConfigGenerator();
    admin.addStateModelDef(clusterName,
                           "MasterSlave",
                           new StateModelDefinition(generator.generateConfigForMasterSlave()));

    // add 3 participants: "localhost:{12918, 12919, 12920}"
    for (int i = 0; i < 3; i++)
    {
      int port = 12918 + i;
      InstanceConfig config = new InstanceConfig("localhost_" + port);
      config.setHostName("localhost");
      config.setPort(Integer.toString(port));
      config.setInstanceEnabled(true);
      admin.addInstance(clusterName, config);
    }

    // add resource "TestDB" which has 4 partitions and uses MasterSlave state model
    String resourceName = "TestDB";
    if (idealStateMode == IdealStateModeProperty.AUTO
        || idealStateMode == IdealStateModeProperty.AUTO_REBALANCE)
    {
      admin.addResource(clusterName, resourceName, 4, "MasterSlave", idealStateModeStr);

      // rebalance resource "TestDB" using 3 replicas
      admin.rebalance(clusterName, resourceName, 3);
    }
    else if (idealStateMode == IdealStateModeProperty.CUSTOMIZED)
    {
      admin.addIdealState(clusterName, resourceName, idealStateJsonFile);
    }

    // start helix controller
    new Thread(new Runnable()
    {
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    ZkClient zkclient =
        new ZkClient(zkAddr,
                     ZkClient.DEFAULT_SESSION_TIMEOUT,
                     ZkClient.DEFAULT_CONNECTION_TIMEOUT,
                     new ZNRecordSerializer());
    ZKHelixAdmin admin = new ZKHelixAdmin(zkclient);
    admin.addCluster(clusterName, true);

    // add MasterSlave state mode definition
    StateModelConfigGenerator generator = new StateModelConfigGenerator();
    admin.addStateModelDef(clusterName,
                           "MasterSlave",
                           new StateModelDefinition(generator.generateConfigForMasterSlave()));

    // add 3 participants: "localhost:{12918, 12919, 12920}"
    for (int i = 0; i < 3; i++)
    {
      int port = 12918 + i;
      InstanceConfig config = new InstanceConfig("localhost_" + port);
      config.setHostName("localhost");
      config.setPort(Integer.toString(port));
      config.setInstanceEnabled(true);
      admin.addInstance(clusterName, config);
    }

    // add resource "TestDB" which has 4 partitions and uses MasterSlave state model
    String resourceName = "TestDB";
    if (idealStateMode == IdealStateModeProperty.AUTO
        || idealStateMode == IdealStateModeProperty.AUTO_REBALANCE)
    {
      admin.addResource(clusterName, resourceName, 4, "MasterSlave", idealStateModeStr);

      // rebalance resource "TestDB" using 3 replicas
      admin.rebalance(clusterName, resourceName, 3);
    }
    else if (idealStateMode == IdealStateModeProperty.CUSTOMIZED)
    {
      admin.addIdealState(clusterName, resourceName, idealStateJsonFile);
    }

    // start helix controller
    new Thread(new Runnable()
    {
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  }

  public static void setupEmptyCluster(ZkClient zkClient, String clusterName)
  {
    ZKHelixAdmin admin = new ZKHelixAdmin(zkClient);
    admin.addCluster(clusterName, true);
  }
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      zkclient =
          new ZkClient(zkAddr,
                       ZkClient.DEFAULT_SESSION_TIMEOUT,
                       ZkClient.DEFAULT_CONNECTION_TIMEOUT,
                       new ZNRecordSerializer());
      ZKHelixAdmin admin = new ZKHelixAdmin(zkclient);

      List<String> nodes = admin.getInstancesInCluster(clusterName);
      if (!nodes.contains("consumer_" + consumerId))
      {
        InstanceConfig config = new InstanceConfig("consumer_" + consumerId);
        config.setHostName("localhost");
        config.setInstanceEnabled(true);
        admin.addInstance(clusterName, config);
      }

      // start consumer
      final Consumer consumer =
          new Consumer(zkAddr, clusterName, "consumer_" + consumerId, mqServer);
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    ZkClient zkclient = null;
    try
    {
      zkclient = new ZkClient(zkAddr, ZkClient.DEFAULT_SESSION_TIMEOUT,
          ZkClient.DEFAULT_CONNECTION_TIMEOUT, new ZNRecordSerializer());
      ZKHelixAdmin admin = new ZKHelixAdmin(zkclient);

      // add cluster
      admin.addCluster(clusterName, true);

      // add state model definition
      StateModelConfigGenerator generator = new StateModelConfigGenerator();
      admin.addStateModelDef(clusterName, DEFAULT_STATE_MODEL,
          new StateModelDefinition(generator.generateConfigForOnlineOffline()));

      // add resource "topic" which has 6 partitions
      String resourceName = DEFAULT_RESOURCE_NAME;
      admin.addResource(clusterName, resourceName, DEFAULT_PARTITION_NUMBER, DEFAULT_STATE_MODEL,
          IdealStateModeProperty.AUTO_REBALANCE.toString());
     
      admin.rebalance(clusterName, resourceName, 1);

    } finally
    {
      if (zkclient != null)
      {
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Related Classes of com.linkedin.helix.manager.zk.ZKHelixAdmin

  • com.linkedin.helix.ConfigAccessor
  • com.linkedin.helix.controller.stages.TestRebalancePipeline
  • com.linkedin.helix.examples.IdealStateExample
  • com.linkedin.helix.HelixDataAccessor
  • com.linkedin.helix.integration.TestDisableNode
  • com.linkedin.helix.integration.TestDisablePartition
  • com.linkedin.helix.integration.TestErrorPartition
  • com.linkedin.helix.integration.TestMessageThrottle
  • com.linkedin.helix.integration.TestSwapInstance
  • com.linkedin.helix.model.ClusterConstraints.ConstraintAttribute
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