Package org.apache.helix.model

Examples of org.apache.helix.model.IdealState

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        for (int r = 0; r < replicas; r++) {
          value.add("localhost_" + (p + r + 1) % nodes);
        }
        record.setListField(resourceName + "_" + p, value);
      }
      IdealState idealState = new IdealState(record);
      idealState.setStateModelDefRef("MasterSlave");
      idealState.setRebalanceMode(rebalanceMode);
      idealState.setNumPartitions(partitions);
      idealStates.add(idealState);

      // System.out.println(idealState);

      Builder keyBuilder = accessor.keyBuilder();
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    Assert.assertFalse(finalResourceMap.containsKey(leaderStandbyCustomResource));
  }

  private void createIS(HelixDataAccessor accessor, String resourceId, String stateModelDefRef,
      RebalanceMode rebalanceMode) {
    IdealState idealState = new IdealState(resourceId);
    idealState.setRebalanceMode(rebalanceMode);
    idealState.setStateModelDefRef(stateModelDefRef);
    idealState.setNumPartitions(1);
    idealState.setReplicas("1");
    idealState.getRecord().setListField(resourceId + "_0", ImmutableList.of(PARTICIPANT));
    idealState.getRecord().setMapField(resourceId + "_0", ImmutableMap.of(PARTICIPANT, STATE));
    accessor.setProperty(accessor.keyBuilder().idealStates(resourceId), idealState);
  }
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    // oversized data should not create any new data on zk
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(className, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    IdealState idealState = new IdealState("currentState");
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setRebalanceMode(RebalanceMode.SEMI_AUTO);
    idealState.setNumPartitions(10);

    for (int i = 0; i < 1024; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    boolean succeed = accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
    Assert.assertFalse(succeed);
    HelixProperty property =
        accessor.getProperty(keyBuilder.stateTransitionStatus("localhost_12918", "session_1",
            "partition_1"));
    Assert.assertNull(property);

    // legal sized data gets written to zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setRebalanceMode(RebalanceMode.SEMI_AUTO);
    idealState.setNumPartitions(10);

    for (int i = 0; i < 900; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    succeed = accessor.setProperty(keyBuilder.idealStates("TestDB1"), idealState);
    Assert.assertTrue(succeed);
    record = accessor.getProperty(keyBuilder.idealStates("TestDB1")).getRecord();
    Assert.assertTrue(serializer.serialize(record).length > 900 * 1024);

    // oversized data should not update existing data on zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setRebalanceMode(RebalanceMode.SEMI_AUTO);
    idealState.setNumPartitions(10);
    for (int i = 900; i < 1024; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    // System.out.println("record: " + idealState.getRecord());
    succeed = accessor.updateProperty(keyBuilder.idealStates("TestDB1"), idealState);
    Assert.assertFalse(succeed);
    recordNew = accessor.getProperty(keyBuilder.idealStates("TestDB1")).getRecord();
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    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(className, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    // ZNRecord statusUpdates = new ZNRecord("statusUpdates");
    IdealState idealState = new IdealState("currentState");
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setRebalanceMode(RebalanceMode.SEMI_AUTO);
    idealState.setNumPartitions(10);

    for (int i = 0; i < 1024; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    boolean succeed = accessor.setProperty(keyBuilder.idealStates("TestDB_1"), idealState);
    Assert.assertFalse(succeed);
    HelixProperty property = accessor.getProperty(keyBuilder.idealStates("TestDB_1"));
    Assert.assertNull(property);

    // legal sized data gets written to zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setRebalanceMode(RebalanceMode.SEMI_AUTO);
    idealState.setNumPartitions(10);

    for (int i = 0; i < 900; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    succeed = accessor.setProperty(keyBuilder.idealStates("TestDB_2"), idealState);
    Assert.assertTrue(succeed);
    record = accessor.getProperty(keyBuilder.idealStates("TestDB_2")).getRecord();
    Assert.assertTrue(serializer.serialize(record).length > 900 * 1024);

    // oversized data should not update existing data on zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setRebalanceMode(RebalanceMode.SEMI_AUTO);
    idealState.setNumPartitions(10);

    for (int i = 900; i < 1024; i++) {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    // System.out.println("record: " + idealState.getRecord());
    succeed = accessor.updateProperty(keyBuilder.idealStates("TestDB_2"), idealState);
    Assert.assertFalse(succeed);
    recordNew = accessor.getProperty(keyBuilder.idealStates("TestDB_2")).getRecord();
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    AutoModeISBuilder builder = new AutoModeISBuilder("test-db");
    builder.setStateModel("MasterSlave").setNumPartitions(2).setNumReplica(2);
    builder.assignPreferenceList("test-db_0", "node_0", "node_1").assignPreferenceList("test-db_1",
        "node_1", "node_0");

    IdealState idealState = null;
    try {
      idealState = builder.build();
    } catch (Exception e) {
      Assert.fail("fail to build an auto mode ideal-state.", e);
    }
    // System.out.println("ideal-state: " + idealState);
    Assert.assertEquals(idealState.getRebalanceMode(), IdealState.RebalanceMode.SEMI_AUTO,
        "rebalancer mode should be semi-auto");
  }
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  public void testAutoRebalanceISModeBuilder() {
    AutoRebalanceModeISBuilder builder = new AutoRebalanceModeISBuilder("test-db");
    builder.setStateModel("MasterSlave").setNumPartitions(2).setNumReplica(2);
    builder.add("test-db_0").add("test-db_1");

    IdealState idealState = null;
    try {
      idealState = builder.build();
    } catch (Exception e) {
      Assert.fail("fail to build an auto-rebalance mode ideal-state.", e);
    }
    // System.out.println("ideal-state: " + idealState);
    Assert.assertEquals(idealState.getRebalanceMode(), IdealState.RebalanceMode.FULL_AUTO,
        "rebalancer mode should be auto");

  }
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    builder.assignInstanceAndState("test-db_0", "node_0", "MASTER")
        .assignInstanceAndState("test-db_0", "node_1", "SLAVE")
        .assignInstanceAndState("test-db_1", "node_0", "SLAVE")
        .assignInstanceAndState("test-db_1", "node_1", "MASTER");

    IdealState idealState = null;
    try {
      idealState = builder.build();
    } catch (Exception e) {
      Assert.fail("fail to build a custom mode ideal-state.", e);
    }
    // System.out.println("ideal-state: " + idealState);
    Assert.assertEquals(idealState.getRebalanceMode(), IdealState.RebalanceMode.CUSTOMIZED,
        "rebalancer mode should be customized");

  }
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    ZNRecord idealState1 =
        DefaultIdealStateCalculator.convertToZNRecord(resultOriginal, "TestDB", "MASTER", "SLAVE");

    Map<String, Object> result1 =
        RebalanceUtil.buildInternalIdealState(new IdealState(idealState1));

    List<String> instanceNames2 = new ArrayList<String>();
    for (int i = 30; i < 35; i++) {
      instanceNames2.add("localhost:123" + i);
    }
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    // rebalance ideal-state to use ANY_LIVEINSTANCE for preference list
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    PropertyKey.Builder keyBuilder = accessor.keyBuilder();
    PropertyKey key = keyBuilder.idealStates("TestSchemata0");
    IdealState idealState = accessor.getProperty(key);
    idealState.setReplicas(HelixConstants.StateModelToken.ANY_LIVEINSTANCE.toString());
    idealState.getRecord().setListField("TestSchemata0_0",
        Arrays.asList(HelixConstants.StateModelToken.ANY_LIVEINSTANCE.toString()));
    accessor.setProperty(key, idealState);

    ClusterControllerManager controller =
        new ClusterControllerManager(ZK_ADDR, clusterName, "controller");
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          } else {
            Message message =
                createMessage(manager, resourceName, partition.getPartitionName(), instanceName,
                    currentState, nextState, sessionIdMap.get(instanceName), stateModelDef.getId(),
                    resource.getStateModelFactoryname(), bucketSize);
            IdealState idealState = cache.getIdealState(resourceName);
            if (idealState != null
                && idealState.getStateModelDefRef().equalsIgnoreCase(
                    DefaultSchedulerMessageHandlerFactory.SCHEDULER_TASK_QUEUE)) {
              if (idealState.getRecord().getMapField(partition.getPartitionName()) != null) {
                message.getRecord().setMapField(Message.Attributes.INNER_MESSAGE.toString(),
                    idealState.getRecord().getMapField(partition.getPartitionName()));
              }
            }
            // Set timeout of needed
            String stateTransition =
                currentState + "-" + nextState + "_" + Message.Attributes.TIMEOUT;
            if (idealState != null) {
              String timeOutStr = idealState.getRecord().getSimpleField(stateTransition);
              if (timeOutStr == null
                  && idealState.getStateModelDefRef().equalsIgnoreCase(
                      DefaultSchedulerMessageHandlerFactory.SCHEDULER_TASK_QUEUE)) {
                // scheduled task queue
                if (idealState.getRecord().getMapField(partition.getPartitionName()) != null) {
                  timeOutStr =
                      idealState.getRecord().getMapField(partition.getPartitionName())
                          .get(Message.Attributes.TIMEOUT.toString());
                }
              }
              if (timeOutStr != null) {
                try {
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Related Classes of org.apache.helix.model.IdealState

  • com.linkedin.databus.cluster.DatabusCluster
  • com.linkedin.databus2.client.util.DatabusClusterUtil$DatabusClusterUtilHelper
  • org.apache.helix.api.accessor.ClusterAccessor
  • org.apache.helix.api.accessor.ParticipantAccessor
  • org.apache.helix.api.accessor.ResourceAccessor
  • org.apache.helix.api.config.ResourceConfig$Delta
  • org.apache.helix.api.TestNamespacedConfig
  • org.apache.helix.controller.rebalancer.AutoRebalancer
  • org.apache.helix.controller.rebalancer.FallbackRebalancer
  • org.apache.helix.controller.rebalancer.RebalancerRef
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