zhangyue19921010 commented on code in PR #5416: URL: https://github.com/apache/hudi/pull/5416#discussion_r996570293
########## hudi-common/src/main/java/org/apache/hudi/common/util/queue/DisruptorExecutor.java: ########## @@ -0,0 +1,156 @@ +/* + * 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.hudi.common.util.queue; + +import org.apache.hudi.common.util.Functions; +import org.apache.hudi.common.util.Option; +import org.apache.hudi.common.util.ValidationUtils; +import org.apache.hudi.exception.HoodieException; + +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; + +import java.util.Collections; +import java.util.Iterator; +import java.util.List; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ExecutorCompletionService; +import java.util.concurrent.Future; +import java.util.function.Function; +import java.util.stream.Collectors; + +public class DisruptorExecutor<I, O, E> implements HoodieExecutor<I, O, E> { + + private static final Logger LOG = LogManager.getLogger(DisruptorExecutor.class); + + // Used for buffering records which is controlled by HoodieWriteConfig#WRITE_BUFFER_LIMIT_BYTES. + private final DisruptorMessageQueue<I, O> queue; + private final HoodieExecutorBase<I, O, E> hoodieExecutorBase; + + public DisruptorExecutor(final int bufferSize, final Iterator<I> inputItr, + IteratorBasedQueueConsumer<O, E> consumer, Function<I, O> transformFunction, String waitStrategy, Runnable preExecuteRunnable) { + this(bufferSize, new IteratorBasedQueueProducer<>(inputItr), Option.of(consumer), transformFunction, waitStrategy, preExecuteRunnable); + } + + public DisruptorExecutor(final int bufferSize, HoodieProducer<I> producer, + Option<IteratorBasedQueueConsumer<O, E>> consumer, final Function<I, O> transformFunction) { + this(bufferSize, producer, consumer, transformFunction, WaitStrategyFactory.DEFAULT_STRATEGY, Functions.noop()); + } + + public DisruptorExecutor(final int bufferSize, HoodieProducer<I> producer, + Option<IteratorBasedQueueConsumer<O, E>> consumer, final Function<I, O> transformFunction, String waitStrategy, Runnable preExecuteRunnable) { + this(bufferSize, Collections.singletonList(producer), consumer, transformFunction, waitStrategy, preExecuteRunnable); + } + + public DisruptorExecutor(final int bufferSize, List<HoodieProducer<I>> producers, + Option<IteratorBasedQueueConsumer<O, E>> consumer, final Function<I, O> transformFunction, + final String waitStrategy, Runnable preExecuteRunnable) { + this.queue = new DisruptorMessageQueue<>(bufferSize, transformFunction, waitStrategy, producers.size(), preExecuteRunnable); + this.hoodieExecutorBase = new HoodieExecutorBase<>(producers, consumer, preExecuteRunnable); + } + + /** + * Start all Producers. + */ + public ExecutorCompletionService<Boolean> startProducers() { + final ExecutorCompletionService<Boolean> completionService = + new ExecutorCompletionService<Boolean>(hoodieExecutorBase.getProducerExecutorService()); + hoodieExecutorBase.getProducers().stream().map(producer -> { + return completionService.submit(() -> { + try { + hoodieExecutorBase.getPreExecuteRunnable().run(); + + DisruptorPublisher publisher = new DisruptorPublisher<>(producer, queue); + publisher.startProduce(); + + } catch (Throwable e) { + LOG.error("error producing records", e); + throw new HoodieException("Error producing records in disruptor executor", e); + } + return true; + }); + }).collect(Collectors.toList()); Review Comment: just return these future list ``` public List<Future<Boolean>> startProducers() { ``` And for DisruptorExecutor#execute, it will wait for all these feature finished. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@hudi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
