m-trieu commented on code in PR #30764: URL: https://github.com/apache/beam/pull/30764#discussion_r1582573447
########## runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/streaming/harness/ApplianceWorkerHarness.java: ########## @@ -0,0 +1,572 @@ +/* + * 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.beam.runners.dataflow.worker.streaming.harness; + +import com.google.api.services.dataflow.model.MapTask; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Function; +import java.util.function.Supplier; +import javax.annotation.concurrent.ThreadSafe; +import org.apache.beam.runners.dataflow.options.DataflowWorkerHarnessOptions; +import org.apache.beam.runners.dataflow.worker.DataflowExecutionStateSampler; +import org.apache.beam.runners.dataflow.worker.DataflowMapTaskExecutorFactory; +import org.apache.beam.runners.dataflow.worker.DataflowWorkUnitClient; +import org.apache.beam.runners.dataflow.worker.HotKeyLogger; +import org.apache.beam.runners.dataflow.worker.IntrinsicMapTaskExecutorFactory; +import org.apache.beam.runners.dataflow.worker.MetricTrackingWindmillServerStub; +import org.apache.beam.runners.dataflow.worker.ReaderCache; +import org.apache.beam.runners.dataflow.worker.WindmillComputationKey; +import org.apache.beam.runners.dataflow.worker.WindmillTimeUtils; +import org.apache.beam.runners.dataflow.worker.WorkUnitClient; +import org.apache.beam.runners.dataflow.worker.streaming.ComputationState; +import org.apache.beam.runners.dataflow.worker.streaming.ComputationStateCache; +import org.apache.beam.runners.dataflow.worker.streaming.StageInfo; +import org.apache.beam.runners.dataflow.worker.streaming.StreamingApplianceComputationStateCacheLoader; +import org.apache.beam.runners.dataflow.worker.streaming.config.StreamingApplianceConfigLoader; +import org.apache.beam.runners.dataflow.worker.streaming.processing.ExecutionStateFactory; +import org.apache.beam.runners.dataflow.worker.streaming.processing.StreamingCommitFinalizer; +import org.apache.beam.runners.dataflow.worker.streaming.processing.StreamingWorkScheduler; +import org.apache.beam.runners.dataflow.worker.streaming.sideinput.SideInputStateFetcher; +import org.apache.beam.runners.dataflow.worker.util.BoundedQueueExecutor; +import org.apache.beam.runners.dataflow.worker.util.MemoryMonitor; +import org.apache.beam.runners.dataflow.worker.windmill.Windmill; +import org.apache.beam.runners.dataflow.worker.windmill.Windmill.ComputationWorkItems; +import org.apache.beam.runners.dataflow.worker.windmill.Windmill.GetWorkResponse; +import org.apache.beam.runners.dataflow.worker.windmill.WindmillServerStub; +import org.apache.beam.runners.dataflow.worker.windmill.appliance.JniWindmillApplianceServer; +import org.apache.beam.runners.dataflow.worker.windmill.client.commits.CompleteCommit; +import org.apache.beam.runners.dataflow.worker.windmill.client.commits.StreamingApplianceWorkCommitter; +import org.apache.beam.runners.dataflow.worker.windmill.client.commits.WorkCommitter; +import org.apache.beam.runners.dataflow.worker.windmill.state.WindmillStateCache; +import org.apache.beam.runners.dataflow.worker.windmill.work.WorkProcessingContext; +import org.apache.beam.runners.dataflow.worker.windmill.work.processing.failures.FailureTracker; +import org.apache.beam.runners.dataflow.worker.windmill.work.processing.failures.StreamingApplianceFailureTracker; +import org.apache.beam.runners.dataflow.worker.windmill.work.processing.failures.WorkFailureProcessor; +import org.apache.beam.runners.dataflow.worker.windmill.work.refresh.ActiveWorkRefresher; +import org.apache.beam.runners.dataflow.worker.windmill.work.refresh.DispatchedActiveWorkRefresher; +import org.apache.beam.sdk.annotations.Internal; +import org.apache.beam.sdk.io.FileSystems; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.annotations.VisibleForTesting; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.base.Preconditions; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.cache.CacheLoader; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableList; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.util.concurrent.ThreadFactoryBuilder; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.util.concurrent.Uninterruptibles; +import org.checkerframework.checker.nullness.qual.Nullable; +import org.joda.time.Duration; +import org.joda.time.Instant; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** Streaming Appliance worker harness implementation. */ +@Internal +@ThreadSafe +public final class ApplianceWorkerHarness implements StreamingWorkerHarness { + private static final Logger LOG = LoggerFactory.getLogger(ApplianceWorkerHarness.class); + private static final String MEMORY_MONITOR_EXECUTOR = "MemoryMonitor"; + private static final String GET_WORK_EXECUTOR = "GetWorkDispatcher"; + private static final String REFRESH_WORK_EXECUTOR = "RefreshWork"; + + private final DataflowWorkerHarnessOptions options; + private final long clientId; + private final WindmillServerStub windmillServer; + private final MetricTrackingWindmillServerStub getDataClient; + private final MemoryMonitor memoryMonitor; + private final ComputationStateCache computationCache; + private final StreamingWorkScheduler streamingWorkScheduler; + private final WorkCommitter workCommitter; + private final StreamingWorkerStatusReporter workerStatusReporter; + private final StreamingStatusPages statusPages; + private final DataflowExecutionStateSampler sampler; + private final ActiveWorkRefresher activeWorkRefresher; + private final BoundedQueueExecutor workExecutor; + private final ExecutorService memoryMonitoryExecutor; + private final ExecutorService getWorkExecutor; + private final AtomicBoolean isRunning; + + private ApplianceWorkerHarness( + DataflowWorkerHarnessOptions options, + long clientId, + WindmillServerStub windmillServer, + MetricTrackingWindmillServerStub getDataClient, + MemoryMonitor memoryMonitor, + ComputationStateCache computationCache, + StreamingWorkScheduler streamingWorkScheduler, + WorkCommitter workCommitter, + StreamingWorkerStatusReporter workerStatusReporter, + StreamingStatusPages statusPages, + DataflowExecutionStateSampler sampler, + ActiveWorkRefresher activeWorkRefresher, + ExecutorService memoryMonitoryExecutor, + ExecutorService getWorkExecutor, + AtomicBoolean isRunning, + BoundedQueueExecutor workExecutor) { + this.options = options; + this.clientId = clientId; + this.windmillServer = windmillServer; + this.getDataClient = getDataClient; + this.memoryMonitor = memoryMonitor; + this.computationCache = computationCache; + this.streamingWorkScheduler = streamingWorkScheduler; + this.workCommitter = workCommitter; + this.workerStatusReporter = workerStatusReporter; + this.statusPages = statusPages; + this.sampler = sampler; + this.activeWorkRefresher = activeWorkRefresher; + this.memoryMonitoryExecutor = memoryMonitoryExecutor; + this.getWorkExecutor = getWorkExecutor; + this.isRunning = isRunning; + this.workExecutor = workExecutor; + // Register standard file systems. + FileSystems.setDefaultPipelineOptions(options); + } + + public static ApplianceWorkerHarness fromOptions(DataflowWorkerHarnessOptions options) { Review Comment: sgtm! -- This is an automated message from the Apache Git Service. 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