Independent Dynamic Scaling for different Activities in Temporal WorkFlow

conf/yarn/application.conf

@@ -94,4 +94,4 @@ admin.server.enabled=false
 
 # job history store ( WARN [GobblinYarnAppLauncher] NOT starting the admin UI because the job execution info server is NOT enabled )
 job.execinfo.server.enabled=false
-job.history.store.enabled=false
+job.history.store.enabled=false

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/GobblinTemporalConfigurationKeys.java

@@ -18,6 +18,7 @@
 package org.apache.gobblin.temporal;
 
 import org.apache.gobblin.annotation.Alpha;
+import org.apache.gobblin.temporal.ddm.worker.ExecutionWorker;
 import org.apache.gobblin.temporal.workflows.helloworld.HelloWorldJobLauncher;
 import org.apache.gobblin.temporal.workflows.helloworld.HelloWorldWorker;
 
@@ -29,14 +30,20 @@
 public interface GobblinTemporalConfigurationKeys {
 
   String PREFIX = "gobblin.temporal.";
+  String STAGE_SPECIFIC_PREFIX = PREFIX + "stage.";
 
   String WORKER_CLASS = PREFIX + "worker.class";
   String DEFAULT_WORKER_CLASS = HelloWorldWorker.class.getName();
+  String EXECUTION_WORKER_CLASS = ExecutionWorker.class.getName();
   String GOBBLIN_TEMPORAL_NAMESPACE = PREFIX + "namespace";
   String DEFAULT_GOBBLIN_TEMPORAL_NAMESPACE = PREFIX + "namespace";
 
   String GOBBLIN_TEMPORAL_TASK_QUEUE = PREFIX + "task.queue.name";
   String DEFAULT_GOBBLIN_TEMPORAL_TASK_QUEUE = "GobblinTemporalTaskQueue";
+
+  // Execution task queue for work execution specialization
+  String EXECUTION_TASK_QUEUE = PREFIX + "execution.task.queue.name";
+  String DEFAULT_EXECUTION_TASK_QUEUE = "GobblinTemporalExecutionQueue";
   String GOBBLIN_TEMPORAL_JOB_LAUNCHER_PREFIX = PREFIX + "job.launcher.";
   String GOBBLIN_TEMPORAL_JOB_LAUNCHER_CLASS = GOBBLIN_TEMPORAL_JOB_LAUNCHER_PREFIX + "class";
   String DEFAULT_GOBBLIN_TEMPORAL_JOB_LAUNCHER_CLASS = HelloWorldJobLauncher.class.getName();
@@ -134,4 +141,8 @@ public interface GobblinTemporalConfigurationKeys {
   String TEMPORAL_ACTIVITY_RETRY_OPTIONS_MAXIMUM_ATTEMPTS = TEMPORAL_ACTIVITY_RETRY_OPTIONS + "maximum.attempts";
   int DEFAULT_TEMPORAL_ACTIVITY_RETRY_OPTIONS_MAXIMUM_ATTEMPTS = 4;
 
+  /**
+   * Memory allocation for execution worker containers.
+   */
+  String WORK_EXECUTION_MEMORY_MB = STAGE_SPECIFIC_PREFIX + "workExecution.memory.mb";
 }

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/cluster/AbstractTemporalWorker.java

@@ -33,16 +33,12 @@
 /** Basic boilerplate for a {@link TemporalWorker} to register its activity and workflow capabilities and listen on a particular queue */
 public abstract class AbstractTemporalWorker implements TemporalWorker {
     private final WorkflowClient workflowClient;
-    private final String queueName;
     private final WorkerFactory workerFactory;
-    private final Config config;
+    protected final Config config;
 
     public AbstractTemporalWorker(Config cfg, WorkflowClient client) {
         config = cfg;
         workflowClient = client;
-        queueName = ConfigUtils.getString(cfg,
-            GobblinTemporalConfigurationKeys.GOBBLIN_TEMPORAL_TASK_QUEUE,
-            GobblinTemporalConfigurationKeys.DEFAULT_GOBBLIN_TEMPORAL_TASK_QUEUE);
 
         // Create a Worker factory that can be used to create Workers that poll specific Task Queues.
         workerFactory = WorkerFactory.newInstance(workflowClient);
@@ -52,7 +48,7 @@ public AbstractTemporalWorker(Config cfg, WorkflowClient client) {
 
     @Override
     public void start() {
-        Worker worker = workerFactory.newWorker(queueName, createWorkerOptions());
+        Worker worker = workerFactory.newWorker(getTaskQueue(), createWorkerOptions());
         // This Worker hosts both Workflow and Activity implementations.
         // Workflows are stateful, so you need to supply a type to create instances.
         worker.registerWorkflowImplementationTypes(getWorkflowImplClasses());
@@ -77,6 +73,12 @@ protected WorkerOptions createWorkerOptions() {
     /** @return activity instances; NOTE: activities must be stateless and thread-safe, so a shared instance is used. */
     protected abstract Object[] getActivityImplInstances();
 
+    protected String getTaskQueue() {
+        return ConfigUtils.getString(config,
+            GobblinTemporalConfigurationKeys.GOBBLIN_TEMPORAL_TASK_QUEUE,
+            GobblinTemporalConfigurationKeys.DEFAULT_GOBBLIN_TEMPORAL_TASK_QUEUE);
+    }
+
     private final void stashWorkerConfig(Config cfg) {
         // stash to associate with...
         WorkerConfig.forWorker(this.getClass(), cfg); // the worker itself

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/cluster/GobblinTemporalTaskRunner.java

@@ -238,6 +238,7 @@ public void start()
       for (int i = 0; i < this.numTemporalWorkers; i++) {
         workers.add(initiateWorker());
       }
+      initializeExecutionWorkers();
     }catch (Exception e) {
       logger.info(e + " for initiate workers");
       throw new RuntimeException(e);
@@ -252,8 +253,8 @@ private TemporalWorker initiateWorker() throws Exception {
     WorkflowClient client = TemporalWorkflowClientFactory.createClientInstance(
         managedWorkflowServiceStubs.getWorkflowServiceStubs(), namespace);
 
-    String workerClassName = ConfigUtils.getString(clusterConfig,
-        GobblinTemporalConfigurationKeys.WORKER_CLASS, GobblinTemporalConfigurationKeys.DEFAULT_WORKER_CLASS);
+    String workerClassName = ConfigUtils.getString(clusterConfig, GobblinTemporalConfigurationKeys.WORKER_CLASS,
+        GobblinTemporalConfigurationKeys.DEFAULT_WORKER_CLASS);
     logger.info("Creating worker - class: '{}'", workerClassName);
     Config workerConfig = clusterConfig;
     TemporalWorker worker = GobblinConstructorUtils.invokeLongestConstructor(
@@ -263,6 +264,38 @@ private TemporalWorker initiateWorker() throws Exception {
     return worker;
   }
 
+  private void initializeExecutionWorkers() throws Exception {
+    boolean dynamicScalingEnabled = ConfigUtils.getBoolean(clusterConfig,
+        GobblinTemporalConfigurationKeys.DYNAMIC_SCALING_ENABLED, false);
+
+    if (!dynamicScalingEnabled) {
+      return;
+    }
+
+    String workerClassName = ConfigUtils.getString(clusterConfig, GobblinTemporalConfigurationKeys.WORKER_CLASS,
+        GobblinTemporalConfigurationKeys.DEFAULT_WORKER_CLASS);
+    boolean isExecutionWorkerContainer = GobblinTemporalConfigurationKeys.EXECUTION_WORKER_CLASS.equals(workerClassName);
+
+    // only the initial container (WorkFulfillment worker) should start an additional ExecutionWorker worker
+    if (isExecutionWorkerContainer) {
+      return;
+    }
+
+    logger.info("Starting additional ExecutionWorker in initial container");
+
+    String namespace = ConfigUtils.getString(clusterConfig, GobblinTemporalConfigurationKeys.GOBBLIN_TEMPORAL_NAMESPACE,
+        GobblinTemporalConfigurationKeys.DEFAULT_GOBBLIN_TEMPORAL_NAMESPACE);
+    WorkflowClient client = TemporalWorkflowClientFactory.createClientInstance(
+        managedWorkflowServiceStubs.getWorkflowServiceStubs(), namespace);
+
+    TemporalWorker executionWorker = GobblinConstructorUtils.invokeLongestConstructor(
+        (Class<TemporalWorker>)Class.forName(GobblinTemporalConfigurationKeys.EXECUTION_WORKER_CLASS),
+        clusterConfig, client);
+    executionWorker.start();
+    workers.add(executionWorker);
+    logger.info("Worker started for class: {}", GobblinTemporalConfigurationKeys.EXECUTION_WORKER_CLASS);
+  }
+
   private void initMetricReporter() {
     if (this.containerMetrics.isPresent()) {
       try {

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/ddm/activity/impl/AbstractRecommendScalingForWorkUnitsImpl.java

@@ -25,13 +25,16 @@
 import lombok.extern.slf4j.Slf4j;
 
 import org.apache.gobblin.runtime.JobState;
+import org.apache.gobblin.temporal.GobblinTemporalConfigurationKeys;
 import org.apache.gobblin.temporal.ddm.activity.RecommendScalingForWorkUnits;
 import org.apache.gobblin.temporal.ddm.work.TimeBudget;
 import org.apache.gobblin.temporal.ddm.work.WorkUnitsSizeSummary;
+import org.apache.gobblin.temporal.ddm.workflow.WorkflowStage;
 import org.apache.gobblin.temporal.dynamic.ProfileDerivation;
 import org.apache.gobblin.temporal.dynamic.ProfileOverlay;
 import org.apache.gobblin.temporal.dynamic.ScalingDirective;
 import org.apache.gobblin.temporal.dynamic.WorkforceProfiles;
+import org.apache.gobblin.yarn.GobblinYarnConfigurationKeys;
 
 
 /**
@@ -62,8 +65,9 @@ public List<ScalingDirective> recommendScaling(WorkUnitsSizeSummary remainingWor
   protected abstract int calcDerivationSetPoint(WorkUnitsSizeSummary remainingWork, String sourceClass, TimeBudget timeBudget, JobState jobState);
 
   protected ProfileDerivation calcProfileDerivation(String basisProfileName, WorkUnitsSizeSummary remainingWork, String sourceClass, JobState jobState) {
-    // TODO: implement right-sizing!!! (for now just return unchanged)
-    return new ProfileDerivation(basisProfileName, ProfileOverlay.unchanged());
+    // Create overlay with execution-specific memory and worker class
+    ProfileOverlay overlay = createExecutionWorkerOverlay(jobState);
+    return new ProfileDerivation(basisProfileName, overlay);
   }
 
   protected String calcProfileDerivationName(JobState jobState) {
@@ -72,6 +76,28 @@ protected String calcProfileDerivationName(JobState jobState) {
   }
 
   protected String calcBasisProfileName(JobState jobState) {
-    return WorkforceProfiles.BASELINE_NAME; // always build upon baseline
+    // Always derive from the global baseline
+    return WorkforceProfiles.BASELINE_NAME;
   }
+
+  private ProfileOverlay createExecutionWorkerOverlay(JobState jobState) {
+    List<ProfileOverlay.KVPair> overlayPairs = new java.util.ArrayList<>();
+
+    // Add execution-specific memory if configured (overrides baseline memory)
+    if (jobState.contains(GobblinTemporalConfigurationKeys.WORK_EXECUTION_MEMORY_MB)) {
+      overlayPairs.add(new ProfileOverlay.KVPair(
+          GobblinYarnConfigurationKeys.CONTAINER_MEMORY_MBS_KEY,
+          jobState.getProp(GobblinTemporalConfigurationKeys.WORK_EXECUTION_MEMORY_MB)
+      ));
+    }
+
+    // Add ExecutionWorker class to ensure correct task queue routing
+    overlayPairs.add(new ProfileOverlay.KVPair(
+        GobblinTemporalConfigurationKeys.WORKER_CLASS,
+        GobblinTemporalConfigurationKeys.EXECUTION_WORKER_CLASS
+    ));
+
+    return new ProfileOverlay.Adding(overlayPairs);
+  }
+
 }

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/ddm/worker/ExecutionWorker.java

@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.gobblin.temporal.ddm.worker;
+
+import java.util.concurrent.TimeUnit;
+
+import com.typesafe.config.Config;
+
+import io.temporal.client.WorkflowClient;
+import io.temporal.worker.WorkerOptions;
+
+import org.apache.gobblin.temporal.GobblinTemporalConfigurationKeys;
+import org.apache.gobblin.temporal.cluster.AbstractTemporalWorker;
+import org.apache.gobblin.temporal.ddm.activity.impl.ProcessWorkUnitImpl;
+import org.apache.gobblin.temporal.ddm.workflow.impl.NestingExecOfProcessWorkUnitWorkflowImpl;
+import org.apache.gobblin.temporal.ddm.workflow.impl.ProcessWorkUnitsWorkflowImpl;
+import org.apache.gobblin.util.ConfigUtils;
+
+
+/**
+ * Specialized worker for Work Execution stage.
+ * This worker only registers activities for:
+ * - ProcessWorkUnit (Work Execution)
+ *
+ * Runs on containers with stage-specific memory for work execution operations.
+ * Polls the execution task queue to ensure activities run on appropriately-sized containers.
+ */
+public class ExecutionWorker extends AbstractTemporalWorker {
+    public static final long DEADLOCK_DETECTION_TIMEOUT_SECONDS = 120;
+    public int maxExecutionConcurrency;
+
+    public ExecutionWorker(Config config, WorkflowClient workflowClient) {
+        super(config, workflowClient);
+        this.maxExecutionConcurrency = ConfigUtils.getInt(config, GobblinTemporalConfigurationKeys.TEMPORAL_NUM_THREADS_PER_WORKER,
+            GobblinTemporalConfigurationKeys.DEFAULT_TEMPORAL_NUM_THREADS_PER_WORKER);
+    }
+
+    @Override
+    protected Class<?>[] getWorkflowImplClasses() {
+        return new Class[] {
+            ProcessWorkUnitsWorkflowImpl.class,
+            NestingExecOfProcessWorkUnitWorkflowImpl.class
+        };
+    }
+
+    @Override
+    protected Object[] getActivityImplInstances() {
+        return new Object[] {
+            new ProcessWorkUnitImpl()
+        };
+    }
+
+    @Override
+    protected WorkerOptions createWorkerOptions() {
+        return WorkerOptions.newBuilder()
+            .setDefaultDeadlockDetectionTimeout(TimeUnit.SECONDS.toMillis(DEADLOCK_DETECTION_TIMEOUT_SECONDS))
+            .setMaxConcurrentActivityExecutionSize(this.maxExecutionConcurrency)
+            .setMaxConcurrentLocalActivityExecutionSize(this.maxExecutionConcurrency)
+            .setMaxConcurrentWorkflowTaskExecutionSize(this.maxExecutionConcurrency)
+            .build();
+    }
+
+    @Override
+    protected String getTaskQueue() {
+        return ConfigUtils.getString(
+            config,
+            GobblinTemporalConfigurationKeys.EXECUTION_TASK_QUEUE,
+            GobblinTemporalConfigurationKeys.DEFAULT_EXECUTION_TASK_QUEUE
+        );
+    }
+}

gobblin-temporal/src/main/java/org/apache/gobblin/temporal/ddm/workflow/WorkflowStage.java

@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.gobblin.temporal.ddm.workflow;
+
+import com.typesafe.config.Config;
+import lombok.Getter;
+
+import org.apache.gobblin.temporal.GobblinTemporalConfigurationKeys;
+
+/**
+ * Represents the different stages of a Gobblin Temporal workflow.
+ *
+ * <p>Stages:
+ * <ul>
+ *   <li>WORK_DISCOVERY: Discovers data sources, generates work units (uses default queue)</li>
+ *   <li>WORK_EXECUTION: Processes work units to transform and load data (uses execution queue when dynamic scaling enabled)</li>
+ *   <li>COMMIT: Commits work units (uses default queue)</li>
+ * </ul>
+ *
+ * <p>Queue routing:
+ * <ul>
+ *   <li>Dynamic scaling OFF: All stages use default queue</li>
+ *   <li>Dynamic scaling ON: WORK_EXECUTION uses dedicated execution queue, others use default queue</li>
+ * </ul>
+ */
+@Getter
+public enum WorkflowStage {
+  WORK_DISCOVERY("workDiscovery", GobblinTemporalConfigurationKeys.GOBBLIN_TEMPORAL_TASK_QUEUE,
+      GobblinTemporalConfigurationKeys.DEFAULT_GOBBLIN_TEMPORAL_TASK_QUEUE),
+  WORK_EXECUTION("workExecution", GobblinTemporalConfigurationKeys.EXECUTION_TASK_QUEUE,
+      GobblinTemporalConfigurationKeys.DEFAULT_EXECUTION_TASK_QUEUE),
+  COMMIT("commit", GobblinTemporalConfigurationKeys.GOBBLIN_TEMPORAL_TASK_QUEUE,
+      GobblinTemporalConfigurationKeys.DEFAULT_GOBBLIN_TEMPORAL_TASK_QUEUE);
+
+  private final String profileBaseName;
+  private final String taskQueueConfigKey;
+  private final String defaultTaskQueue;
+
+  WorkflowStage(String profileBaseName, String taskQueueConfigKey, String defaultTaskQueue) {
+    this.profileBaseName = profileBaseName;
+    this.taskQueueConfigKey = taskQueueConfigKey;
+    this.defaultTaskQueue = defaultTaskQueue;
+  }
+
+  /**
+   * Returns the task queue for this stage, reading from config or using default.
+   * Example: "GobblinTemporalDiscoveryCommitQueue", "GobblinTemporalExecutionQueue"
+   *
+   * @param config the configuration to read from
+   * @return the task queue name for this stage
+   */
+  public String getTaskQueue(Config config) {
+    return config.hasPath(taskQueueConfigKey)
+        ? config.getString(taskQueueConfigKey)
+        : defaultTaskQueue;
+  }
+}