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https://issues.apache.org/jira/browse/HUDI-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17375724#comment-17375724
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ASF GitHub Bot commented on HUDI-1483:
--------------------------------------
codope commented on a change in pull request #3142:
URL: https://github.com/apache/hudi/pull/3142#discussion_r664561678
##########
File path:
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/async/AsyncClusteringService.java
##########
@@ -0,0 +1,125 @@
+/*
+ * 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.async;
+
+import org.apache.hudi.client.AbstractClusteringClient;
+import org.apache.hudi.client.AbstractHoodieWriteClient;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.util.collection.Pair;
+import org.apache.hudi.exception.HoodieIOException;
+
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.ReentrantLock;
+import java.util.stream.IntStream;
+
+/**
+ * Async clustering service that runs in a separate thread.
+ * Currently, only one clustering thread is allowed to run at any time.
+ */
+public abstract class AsyncClusteringService extends HoodieAsyncService {
+
+ private static final long serialVersionUID = 1L;
+ private static final Logger LOG =
LogManager.getLogger(AsyncClusteringService.class);
+
+ private final int maxConcurrentClustering;
+ private transient AbstractClusteringClient clusteringClient;
+ private transient BlockingQueue<HoodieInstant> pendingClustering = new
LinkedBlockingQueue<>();
+ private transient ReentrantLock queueLock = new ReentrantLock();
Review comment:
As discussed, moved the common methods and variables to
`HoodieAsyncService`.
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> async clustering for deltastreamer
> ----------------------------------
>
> Key: HUDI-1483
> URL: https://issues.apache.org/jira/browse/HUDI-1483
> Project: Apache Hudi
> Issue Type: Sub-task
> Reporter: liwei
> Assignee: liwei
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
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