Examples with LocalityManager org.apache.samza.container.LocalityManager used on opensource projects

Example 11 with LocalityManager

use of org.apache.samza.container.LocalityManager in project samza by apache.

the class SamzaTaskProxy method getJobModel.

/**
   * Retrieves the jobModel from the jobCoordinator.
   * @param jobInstance the job instance (jobId, jobName).
   * @return the JobModel fetched from the coordinator stream.
   */
protected JobModel getJobModel(JobInstance jobInstance) {
    CoordinatorStreamSystemConsumer coordinatorSystemConsumer = null;
    CoordinatorStreamSystemProducer coordinatorSystemProducer = null;
    try {
        CoordinatorStreamSystemFactory coordinatorStreamSystemFactory = new CoordinatorStreamSystemFactory();
        Config coordinatorSystemConfig = getCoordinatorSystemConfig(jobInstance);
        LOG.info("Using config: {} to create coordinatorStream producer and consumer.", coordinatorSystemConfig);
        coordinatorSystemConsumer = coordinatorStreamSystemFactory.getCoordinatorStreamSystemConsumer(coordinatorSystemConfig, METRICS_REGISTRY);
        coordinatorSystemProducer = coordinatorStreamSystemFactory.getCoordinatorStreamSystemProducer(coordinatorSystemConfig, METRICS_REGISTRY);
        LOG.info("Registering coordinator system stream consumer.");
        coordinatorSystemConsumer.register();
        LOG.debug("Starting coordinator system stream consumer.");
        coordinatorSystemConsumer.start();
        LOG.debug("Bootstrapping coordinator system stream consumer.");
        coordinatorSystemConsumer.bootstrap();
        LOG.info("Registering coordinator system stream producer.");
        coordinatorSystemProducer.register(SOURCE);
        Config config = coordinatorSystemConsumer.getConfig();
        LOG.info("Got config from coordinatorSystemConsumer: {}.", config);
        ChangelogPartitionManager changelogManager = new ChangelogPartitionManager(coordinatorSystemProducer, coordinatorSystemConsumer, SOURCE);
        changelogManager.start();
        LocalityManager localityManager = new LocalityManager(coordinatorSystemProducer, coordinatorSystemConsumer);
        localityManager.start();
        String jobCoordinatorSystemName = config.get(JobConfig.JOB_COORDINATOR_SYSTEM());
        /**
       * Select job coordinator system properties from config and instantiate SystemAdmin for it alone.
       * Instantiating SystemAdmin's for other input/output systems defined in config is unnecessary.
       */
        Config systemAdminConfig = config.subset(String.format("systems.%s", jobCoordinatorSystemName), false);
        scala.collection.immutable.Map<String, SystemAdmin> systemAdmins = JobModelManager.getSystemAdmins(systemAdminConfig);
        StreamMetadataCache streamMetadataCache = new StreamMetadataCache(systemAdmins, 0, SystemClock.instance());
        Map<TaskName, Integer> changeLogPartitionMapping = changelogManager.readChangeLogPartitionMapping();
        return JobModelManager.readJobModel(config, changeLogPartitionMapping, localityManager, streamMetadataCache, null);
    } finally {
        if (coordinatorSystemConsumer != null) {
            coordinatorSystemConsumer.stop();
        }
        if (coordinatorSystemProducer != null) {
            coordinatorSystemProducer.stop();
        }
    }
}

Example 12 with LocalityManager

use of org.apache.samza.container.LocalityManager in project samza by apache.

the class TestContainerAllocatorWithHostAffinity method setup.

@Before
public void setup() throws Exception {
    LocalityManager mockLocalityManager = mock(LocalityManager.class);
    when(mockLocalityManager.readLocality()).thenReturn(new LocalityModel(ImmutableMap.of("0", new ProcessorLocality("0", "abc"))));
    CoordinatorStreamStoreTestUtil coordinatorStreamStoreTestUtil = new CoordinatorStreamStoreTestUtil(config);
    CoordinatorStreamStore coordinatorStreamStore = coordinatorStreamStoreTestUtil.getCoordinatorStreamStore();
    coordinatorStreamStore.init();
    containerPlacementMetadataStore = new ContainerPlacementMetadataStore(coordinatorStreamStore);
    containerPlacementMetadataStore.start();
    containerManager = new ContainerManager(containerPlacementMetadataStore, state, clusterResourceManager, true, false, mockLocalityManager, faultDomainManager, config);
    containerAllocator = new ContainerAllocator(clusterResourceManager, config, state, true, containerManager);
    requestState = new MockContainerRequestState(clusterResourceManager, true);
    Field requestStateField = containerAllocator.getClass().getDeclaredField("resourceRequestState");
    requestStateField.setAccessible(true);
    requestStateField.set(containerAllocator, requestState);
    allocatorThread = new Thread(containerAllocator);
}

Example 13 with LocalityManager

use of org.apache.samza.container.LocalityManager in project samza by apache.

the class YarnJobValidationTool method validateJmxMetrics.

public void validateJmxMetrics() throws Exception {
    MetricsRegistry metricsRegistry = new MetricsRegistryMap();
    CoordinatorStreamStore coordinatorStreamStore = new CoordinatorStreamStore(config, metricsRegistry);
    coordinatorStreamStore.init();
    try {
        LocalityManager localityManager = new LocalityManager(new NamespaceAwareCoordinatorStreamStore(coordinatorStreamStore, SetConfig.TYPE));
        validator.init(config);
        LocalityModel localityModel = localityManager.readLocality();
        for (ProcessorLocality processorLocality : localityModel.getProcessorLocalities().values()) {
            String containerId = processorLocality.id();
            String jmxUrl = processorLocality.jmxTunnelingUrl();
            if (StringUtils.isNotBlank(jmxUrl)) {
                log.info("validate container " + containerId + " metrics with JMX: " + jmxUrl);
                JmxMetricsAccessor jmxMetrics = new JmxMetricsAccessor(jmxUrl);
                jmxMetrics.connect();
                validator.validate(jmxMetrics);
                jmxMetrics.close();
                log.info("validate container " + containerId + " successfully");
            }
        }
        validator.complete();
    } finally {
        coordinatorStreamStore.close();
    }
}

Example 14 with LocalityManager

use of org.apache.samza.container.LocalityManager in project samza by apache.

the class JobModelHelper method getGrouperMetadata.

private GrouperMetadata getGrouperMetadata(Config config, LocalityManager localityManager, TaskAssignmentManager taskAssignmentManager, TaskPartitionAssignmentManager taskPartitionAssignmentManager) {
    Map<String, LocationId> processorLocality = getProcessorLocality(config, localityManager);
    Map<TaskName, TaskMode> taskModes = taskAssignmentManager.readTaskModes();
    Map<TaskName, String> taskNameToProcessorId = new HashMap<>();
    Map<TaskName, LocationId> taskLocality = new HashMap<>();
    // We read the taskAssignment only for ActiveTasks, i.e., tasks that have no task-mode or have an active task mode
    taskAssignmentManager.readTaskAssignment().forEach((taskNameString, containerId) -> {
        TaskName taskName = new TaskName(taskNameString);
        if (isActiveTask(taskName, taskModes)) {
            taskNameToProcessorId.put(taskName, containerId);
            if (processorLocality.containsKey(containerId)) {
                taskLocality.put(taskName, processorLocality.get(containerId));
            }
        }
    });
    Map<SystemStreamPartition, List<String>> sspToTaskMapping = taskPartitionAssignmentManager.readTaskPartitionAssignments();
    Map<TaskName, List<SystemStreamPartition>> taskPartitionAssignments = new HashMap<>();
    // Task to partition assignments is stored as {@see SystemStreamPartition} to list of {@see TaskName} in
    // coordinator stream. This is done due to the 1 MB value size limit in a kafka topic. Conversion to
    // taskName to SystemStreamPartitions is done here to wire-in the data to {@see JobModel}.
    sspToTaskMapping.forEach((systemStreamPartition, taskNames) -> taskNames.forEach(taskNameString -> {
        TaskName taskName = new TaskName(taskNameString);
        if (isActiveTask(taskName, taskModes)) {
            taskPartitionAssignments.putIfAbsent(taskName, new ArrayList<>());
            taskPartitionAssignments.get(taskName).add(systemStreamPartition);
        }
    }));
    return new GrouperMetadataImpl(processorLocality, taskLocality, taskPartitionAssignments, taskNameToProcessorId);
}

Example 15 with LocalityManager

use of org.apache.samza.container.LocalityManager in project samza by apache.

the class TestContainerAllocatorWithoutHostAffinity method setup.

@Before
public void setup() throws Exception {
    LocalityManager mockLocalityManager = mock(LocalityManager.class);
    when(mockLocalityManager.readLocality()).thenReturn(new LocalityModel(new HashMap<>()));
    CoordinatorStreamStoreTestUtil coordinatorStreamStoreTestUtil = new CoordinatorStreamStoreTestUtil(config);
    CoordinatorStreamStore coordinatorStreamStore = coordinatorStreamStoreTestUtil.getCoordinatorStreamStore();
    coordinatorStreamStore.init();
    containerPlacementMetadataStore = new ContainerPlacementMetadataStore(coordinatorStreamStore);
    containerPlacementMetadataStore.start();
    containerAllocator = new ContainerAllocator(manager, config, state, false, new ContainerManager(containerPlacementMetadataStore, state, manager, false, false, mockLocalityManager, faultDomainManager, config));
    requestState = new MockContainerRequestState(manager, false);
    Field requestStateField = containerAllocator.getClass().getDeclaredField("resourceRequestState");
    requestStateField.setAccessible(true);
    requestStateField.set(containerAllocator, requestState);
    allocatorThread = new Thread(containerAllocator);
}