mynameborat commented on a change in pull request #912: SEP-19 : Refactoring
sideInputs from SamzaContainer to ContainerStorageManager
URL: https://github.com/apache/samza/pull/912#discussion_r260978075
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File path:
samza-core/src/main/scala/org/apache/samza/storage/ContainerStorageManager.java
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@@ -148,32 +205,114 @@ public ContainerStorageManager(ContainerModel
containerModel, StreamMetadataCach
this.maxChangeLogStreamPartitions = maxChangeLogStreamPartitions;
this.streamMetadataCache = streamMetadataCache;
+ this.systemAdmins = systemAdmins;
// create taskStores for all tasks in the containerModel and each store in
storageEngineFactories
- this.taskStores = createTaskStores(containerModel, jobContext,
containerContext, storageEngineFactories, changelogSystemStreams,
- serdes, taskInstanceMetrics, taskInstanceCollectors,
StorageEngineFactory.StoreMode.BulkLoad);
+ this.taskStores = createTaskStores(containerModel, jobContext,
containerContext, storageEngineFactories, serdes, taskInstanceMetrics,
taskInstanceCollectors);
- // create system consumers (1 per store system)
- this.systemConsumers = createStoreConsumers(changelogSystemStreams,
systemFactories, config, this.samzaContainerMetrics.registry());
+ // create system consumers (1 per store system in changelogSystemStreams),
and index it by storeName
+ Map<String, SystemConsumer> storeSystemConsumers =
createConsumers(this.changelogSystemStreams.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey,
+ e -> Collections.singleton(e.getValue()))), systemFactories, config,
this.samzaContainerMetrics.registry());
+ this.storeConsumers = createStoreIndexedMap(this.changelogSystemStreams,
storeSystemConsumers);
// creating task restore managers
this.taskRestoreManagers = createTaskRestoreManagers(systemAdmins, clock);
+
+ // creating side input store processors, one per store per task
+ taskSideInputProcessors = createSideInputProcessors(new
StorageConfig(config), this.containerModel, this.sideInputSystemStreams,
this.taskInstanceMetrics);
+
+ // create side input storage managers
+ sideInputStorageManagers = createSideInputStorageManagers(clock);
+
+ // create side Input consumers indexed by systemName
+ this.sideInputConsumers = createConsumers(this.sideInputSystemStreams,
systemFactories, config, this.samzaContainerMetrics.registry());
+
+ // create SystemConsumers for consuming from taskSideInputSSPs, if
sideInputs are being used
+ if (!this.sideInputConsumers.isEmpty()) {
Review comment:
please refer to comment below about the checks for presence of side inputs
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