Path	Lines of Code
helix-admin-webapp/src/main/java/org/apache/helix/webapp/resources/ControllerStatusUpdateResource.java	55
helix-admin-webapp/src/main/java/org/apache/helix/webapp/resources/JobQueueResource.java	133
helix-agent/src/main/java/org/apache/helix/agent/ProcessMonitorThread.java	31
helix-common/src/main/java/org/apache/helix/constants/InstanceConstants.java	48
helix-core/src/main/java/org/apache/helix/BaseDataAccessor.java	54
helix-core/src/main/java/org/apache/helix/GroupCommit.java	129
helix-core/src/main/java/org/apache/helix/HelixConstants.java	41
helix-core/src/main/java/org/apache/helix/HelixDataAccessor.java	42
helix-core/src/main/java/org/apache/helix/HelixRebalanceException.java	22
helix-core/src/main/java/org/apache/helix/PropertyKey.java	423
helix-core/src/main/java/org/apache/helix/PropertyPathBuilder.java	492
helix-core/src/main/java/org/apache/helix/cloud/azure/AzureCloudInstanceInformationProcessor.java	109
helix-core/src/main/java/org/apache/helix/cloud/event/helix/DefaultCloudEventCallbackImpl.java	67
helix-core/src/main/java/org/apache/helix/common/caches/InstanceMessagesCache.java	394
helix-core/src/main/java/org/apache/helix/common/caches/TaskDataCache.java	238
helix-core/src/main/java/org/apache/helix/controller/ExternalViewGenerator.java	76
helix-core/src/main/java/org/apache/helix/controller/GenericHelixController.java	1241
helix-core/src/main/java/org/apache/helix/controller/changedetector/ChangeDetector.java	9
helix-core/src/main/java/org/apache/helix/controller/changedetector/trimmer/HelixPropertyTrimmer.java	67
helix-core/src/main/java/org/apache/helix/controller/dataproviders/BaseControllerDataProvider.java	866
helix-core/src/main/java/org/apache/helix/controller/dataproviders/ResourceControllerDataProvider.java	354
helix-core/src/main/java/org/apache/helix/controller/dataproviders/WorkflowControllerDataProvider.java	151
helix-core/src/main/java/org/apache/helix/controller/pipeline/AbstractBaseStage.java	48
helix-core/src/main/java/org/apache/helix/controller/rebalancer/AbstractRebalancer.java	424
helix-core/src/main/java/org/apache/helix/controller/rebalancer/DelayedAutoRebalancer.java	339
helix-core/src/main/java/org/apache/helix/controller/rebalancer/constraint/ExcessiveTopStateResolver.java	57
helix-core/src/main/java/org/apache/helix/controller/rebalancer/strategy/ConstraintRebalanceStrategy.java	220
helix-core/src/main/java/org/apache/helix/controller/rebalancer/strategy/MultiRoundCrushRebalanceStrategy.java	262
helix-core/src/main/java/org/apache/helix/controller/rebalancer/topology/Topology.java	260
helix-core/src/main/java/org/apache/helix/controller/rebalancer/util/DelayedRebalanceUtil.java	329
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/AssignmentMetadataStore.java	151
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/WagedInstanceCapacity.java	160
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/WagedRebalancer.java	468
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/AssignableNode.java	231
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/AssignableReplica.java	88
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/ClusterContext.java	170
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/ClusterModelProvider.java	380
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/OptimalAssignment.java	49
helix-core/src/main/java/org/apache/helix/controller/stages/BestPossibleStateCalcStage.java	482
helix-core/src/main/java/org/apache/helix/controller/stages/BestPossibleStateOutput.java	63
helix-core/src/main/java/org/apache/helix/controller/stages/CurrentStateComputationStage.java	323
helix-core/src/main/java/org/apache/helix/controller/stages/ExternalViewComputeStage.java	223
helix-core/src/main/java/org/apache/helix/controller/stages/IntermediateStateCalcStage.java	603
helix-core/src/main/java/org/apache/helix/controller/stages/ManagementModeStage.java	132
helix-core/src/main/java/org/apache/helix/controller/stages/MessageDispatchStage.java	149
helix-core/src/main/java/org/apache/helix/controller/stages/MessageGenerationPhase.java	364
helix-core/src/main/java/org/apache/helix/controller/stages/MessageSelectionStage.java	207
helix-core/src/main/java/org/apache/helix/controller/stages/MessageThrottleStage.java	139
helix-core/src/main/java/org/apache/helix/controller/stages/PersistAssignmentStage.java	190
helix-core/src/main/java/org/apache/helix/controller/stages/ReadClusterDataStage.java	91
helix-core/src/main/java/org/apache/helix/controller/stages/ResourceValidationStage.java	86
helix-core/src/main/java/org/apache/helix/controller/stages/TargetExteralViewCalcStage.java	97
helix-core/src/main/java/org/apache/helix/controller/stages/TopStateHandoffReportStage.java	325
helix-core/src/main/java/org/apache/helix/controller/stages/task/TaskSchedulingStage.java	169
helix-core/src/main/java/org/apache/helix/manager/zk/CallbackHandler.java	674
helix-core/src/main/java/org/apache/helix/manager/zk/DefaultParticipantErrorMessageHandlerFactory.java	81
helix-core/src/main/java/org/apache/helix/manager/zk/ParticipantManager.java	402
helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixAdmin.java	2165
helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixDataAccessor.java	485
helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixManager.java	1181
helix-core/src/main/java/org/apache/helix/manager/zk/ZKUtil.java	466
helix-core/src/main/java/org/apache/helix/manager/zk/ZkBaseDataAccessor.java	1037
helix-core/src/main/java/org/apache/helix/manager/zk/ZkBucketDataAccessor.java	311
helix-core/src/main/java/org/apache/helix/manager/zk/ZkCacheBaseDataAccessor.java	697
helix-core/src/main/java/org/apache/helix/manager/zk/ZkCallbackCache.java	213
helix-core/src/main/java/org/apache/helix/manager/zk/client/ZkConnectionManager.java	23
helix-core/src/main/java/org/apache/helix/messaging/CriteriaEvaluator.java	126
helix-core/src/main/java/org/apache/helix/messaging/DefaultMessagingService.java	302
helix-core/src/main/java/org/apache/helix/messaging/handling/BatchMessageHandler.java	170
helix-core/src/main/java/org/apache/helix/messaging/handling/HelixBatchMessageTask.java	87
helix-core/src/main/java/org/apache/helix/messaging/handling/HelixStateTransitionHandler.java	339
helix-core/src/main/java/org/apache/helix/messaging/handling/HelixTask.java	318
helix-core/src/main/java/org/apache/helix/messaging/handling/HelixTaskExecutor.java	1100
helix-core/src/main/java/org/apache/helix/messaging/handling/MultiTypeMessageHandlerFactory.java	15
helix-core/src/main/java/org/apache/helix/model/AlertHistory.java	12
helix-core/src/main/java/org/apache/helix/model/AlertStatus.java	33
helix-core/src/main/java/org/apache/helix/model/Alerts.java	36
helix-core/src/main/java/org/apache/helix/model/ClusterConfig.java	638
helix-core/src/main/java/org/apache/helix/model/ClusterConstraints.java	103
helix-core/src/main/java/org/apache/helix/model/ConstraintItem.java	55
helix-core/src/main/java/org/apache/helix/model/ControllerHistory.java	174
helix-core/src/main/java/org/apache/helix/model/Error.java	12
helix-core/src/main/java/org/apache/helix/model/HealthStat.java	66
helix-core/src/main/java/org/apache/helix/model/IdealState.java	443
helix-core/src/main/java/org/apache/helix/model/InstanceConfig.java	819
helix-core/src/main/java/org/apache/helix/model/LiveInstance.java	104
helix-core/src/main/java/org/apache/helix/model/MaintenanceSignal.java	56
helix-core/src/main/java/org/apache/helix/model/Message.java	520
helix-core/src/main/java/org/apache/helix/model/PersistentStats.java	39
helix-core/src/main/java/org/apache/helix/model/ResourceConfig.java	578
helix-core/src/main/java/org/apache/helix/model/StateModelDefinition.java	272
helix-core/src/main/java/org/apache/helix/model/builder/ConfigScopeBuilder.java	82
helix-core/src/main/java/org/apache/helix/model/builder/ConstraintItemBuilder.java	65
helix-core/src/main/java/org/apache/helix/model/builder/StateTransitionTableBuilder.java	105
helix-core/src/main/java/org/apache/helix/monitoring/ZKPathDataDumpTask.java	100
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/ClusterMBeanObserver.java	50
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/ClusterStatusMonitor.java	880
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/InstanceMonitor.java	190
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/JobMonitor.java	137
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/MonitorLevel.java	6
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/ResourceMonitor.java	400
helix-core/src/main/java/org/apache/helix/monitoring/mbeans/StateTransitionStatMonitor.java	73
helix-core/src/main/java/org/apache/helix/participant/HelixStateMachineEngine.java	239
helix-core/src/main/java/org/apache/helix/participant/statemachine/ScheduledTaskStateModel.java	80
helix-core/src/main/java/org/apache/helix/participant/statemachine/StateModel.java	48
helix-core/src/main/java/org/apache/helix/spectator/RoutingDataCache.java	154
helix-core/src/main/java/org/apache/helix/spectator/RoutingTable.java	348
helix-core/src/main/java/org/apache/helix/spectator/RoutingTableProvider.java	721
helix-core/src/main/java/org/apache/helix/task/AbstractTaskDispatcher.java	915
helix-core/src/main/java/org/apache/helix/task/AssignableInstanceManager.java	389
helix-core/src/main/java/org/apache/helix/task/JobDispatcher.java	374
helix-core/src/main/java/org/apache/helix/task/TaskDriver.java	904
helix-core/src/main/java/org/apache/helix/task/TaskState.java	13
helix-core/src/main/java/org/apache/helix/task/TaskStateModelFactory.java	131
helix-core/src/main/java/org/apache/helix/task/TaskUtil.java	687
helix-core/src/main/java/org/apache/helix/task/ThreadCountBasedTaskAssignmentCalculator.java	90
helix-core/src/main/java/org/apache/helix/task/UserContentStore.java	39
helix-core/src/main/java/org/apache/helix/task/WorkflowConfig.java	469
helix-core/src/main/java/org/apache/helix/task/WorkflowContext.java	221
helix-core/src/main/java/org/apache/helix/task/WorkflowDispatcher.java	391
helix-core/src/main/java/org/apache/helix/task/assigner/AssignableInstance.java	266
helix-core/src/main/java/org/apache/helix/tools/ClusterExternalViewVerifier.java	98
helix-core/src/main/java/org/apache/helix/tools/ClusterSetup.java	1345
helix-core/src/main/java/org/apache/helix/tools/ClusterStateVerifier.java	584
helix-core/src/main/java/org/apache/helix/tools/ClusterVerifiers/BestPossibleExternalViewVerifier.java	346
helix-core/src/main/java/org/apache/helix/tools/DefaultIdealStateCalculator.java	398
helix-core/src/main/java/org/apache/helix/tools/StateModelConfigGenerator.java	40
helix-core/src/main/java/org/apache/helix/tools/TestExecutor.java	661
helix-core/src/main/java/org/apache/helix/tools/TestTrigger.java	37
helix-core/src/main/java/org/apache/helix/tools/ZnodeOpArg.java	49
helix-core/src/main/java/org/apache/helix/tools/commandtools/ZkGrep.java	437
helix-core/src/main/java/org/apache/helix/tools/commandtools/ZkLogCSVFormatter.java	261
helix-core/src/main/java/org/apache/helix/util/HelixUtil.java	358
helix-core/src/main/java/org/apache/helix/util/InstanceValidationUtil.java	281
helix-core/src/main/java/org/apache/helix/util/MessageUtil.java	82
helix-core/src/main/java/org/apache/helix/util/StatusUpdateUtil.java	403
helix-core/src/main/java/org/apache/helix/util/ZKClientPool.java	57
helix-core/src/main/java/org/apache/helix/util/ZNRecordUtil.java	78
helix-core/src/main/scripts/integration-test/script/dds_driver.py	887
helix-front/src/app/cluster/cluster-detail/cluster-detail.component.ts	198
helix-front/src/app/cluster/shared/cluster.model.ts	30
helix-front/src/app/history/history-list/history-list.component.ts	48
helix-front/src/app/history/shared/history.service.ts	41
helix-front/src/app/resource/shared/resource.model.ts	119
helix-front/src/app/shared/node-viewer/node-viewer.component.html	282
helix-lock/src/main/java/org/apache/helix/lock/helix/HelixLockScope.java	39
helix-lock/src/main/java/org/apache/helix/lock/helix/ZKDistributedNonblockingLock.java	374
helix-rest/src/main/java/org/apache/helix/rest/clusterMaintenanceService/MaintenanceManagementService.java	761
helix-rest/src/main/java/org/apache/helix/rest/clusterMaintenanceService/StoppableInstancesSelector.java	219
helix-rest/src/main/java/org/apache/helix/rest/common/HelixRestNamespace.java	76
helix-rest/src/main/java/org/apache/helix/rest/common/datamodel/RestSnapShot.java	30
helix-rest/src/main/java/org/apache/helix/rest/server/HelixRestMain.java	125
helix-rest/src/main/java/org/apache/helix/rest/server/HelixRestServer.java	270
helix-rest/src/main/java/org/apache/helix/rest/server/ServerContext.java	305
helix-rest/src/main/java/org/apache/helix/rest/server/resources/AbstractResource.java	171
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/ClusterAccessor.java	1116
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/InstancesAccessor.java	333
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/PerInstanceAccessor.java	741
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/ResourceAssignmentOptimizerAccessor.java	315
helix-rest/src/main/java/org/apache/helix/rest/server/resources/zookeeper/ZooKeeperAccessor.java	162
helix-rest/src/main/java/org/apache/helix/rest/server/service/ClusterService.java	9
helix-rest/src/main/java/org/apache/helix/rest/server/service/InstanceServiceImpl.java	51
helix-view-aggregator/src/main/java/org/apache/helix/view/aggregator/HelixViewAggregator.java	311
helix-view-aggregator/src/main/java/org/apache/helix/view/dataprovider/SourceClusterDataProvider.java	153
meta-client/src/main/java/org/apache/helix/metaclient/api/ChildChangeListener.java	9
meta-client/src/main/java/org/apache/helix/metaclient/api/ConnectStateChangeListener.java	5
meta-client/src/main/java/org/apache/helix/metaclient/api/MetaClientInterface.java	121
meta-client/src/main/java/org/apache/helix/metaclient/constants/MetaClientConstants.java	11
meta-client/src/main/java/org/apache/helix/metaclient/datamodel/DataRecord.java	16
meta-client/src/main/java/org/apache/helix/metaclient/exception/MetaClientException.java	68
meta-client/src/main/java/org/apache/helix/metaclient/factories/MetaClientConfig.java	99
meta-client/src/main/java/org/apache/helix/metaclient/impl/zk/ZkMetaClient.java	469
meta-client/src/main/java/org/apache/helix/metaclient/impl/zk/ZkMetaClientCache.java	169
meta-client/src/main/java/org/apache/helix/metaclient/impl/zk/factory/ZkMetaClientConfig.java	88
meta-client/src/main/java/org/apache/helix/metaclient/impl/zk/util/ZkMetaClientUtil.java	287
meta-client/src/main/java/org/apache/helix/metaclient/policy/ExponentialBackoffReconnectPolicy.java	22
meta-client/src/main/java/org/apache/helix/metaclient/recipes/leaderelection/LeaderElectionClient.java	255
recipes/rabbitmq-consumer-group/src/main/java/org/apache/helix/recipes/rabbitmq/Consumer.java	87
recipes/rabbitmq-consumer-group/src/main/java/org/apache/helix/recipes/rabbitmq/ConsumerStateModel.java	68
recipes/rabbitmq-consumer-group/src/main/java/org/apache/helix/recipes/rabbitmq/ConsumerThread.java	65
recipes/rabbitmq-consumer-group/src/main/java/org/apache/helix/recipes/rabbitmq/Emitter.java	37
recipes/rabbitmq-consumer-group/src/main/java/org/apache/helix/recipes/rabbitmq/StartClusterManager.java	28
recipes/rsync-replicated-file-system/src/main/java/org/apache/helix/filestore/ChangeLogReader.java	99
recipes/rsync-replicated-file-system/src/main/java/org/apache/helix/filestore/StartClusterManager.java	28
recipes/task-execution/src/main/java/org/apache/helix/taskexecution/Worker.java	97
zookeeper-api/src/main/java/org/apache/helix/zookeeper/api/client/RealmAwareZkClient.java	377
zookeeper-api/src/main/java/org/apache/helix/zookeeper/constant/ZkSystemPropertyKeys.java	14
zookeeper-api/src/main/java/org/apache/helix/zookeeper/datamodel/serializer/ZNRecordJacksonSerializer.java	37
zookeeper-api/src/main/java/org/apache/helix/zookeeper/datamodel/serializer/ZNRecordSerializer.java	102
zookeeper-api/src/main/java/org/apache/helix/zookeeper/impl/client/FederatedZkClient.java	544
zookeeper-api/src/main/java/org/apache/helix/zookeeper/impl/client/SharedZkClient.java	506
zookeeper-api/src/main/java/org/apache/helix/zookeeper/impl/client/ZkClient.java	178
zookeeper-api/src/main/java/org/apache/helix/zookeeper/impl/factory/ZkConnectionManager.java	80
zookeeper-api/src/main/java/org/apache/helix/zookeeper/introspect/CodehausJacksonIntrospector.java	222
zookeeper-api/src/main/java/org/apache/helix/zookeeper/routing/HttpZkFallbackRoutingDataReader.java	35
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/ZkClient.java	1981
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/ZkConnection.java	227
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/callback/ZkAsyncCallbacks.java	241