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124 changes: 124 additions & 0 deletions
124
...nk-common/src/main/java/org/apache/paimon/flink/compact/UnwareBucketCompactionHelper.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.paimon.flink.compact; | ||
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| import org.apache.paimon.annotation.VisibleForTesting; | ||
| import org.apache.paimon.append.AppendOnlyCompactionTask; | ||
| import org.apache.paimon.flink.sink.Committable; | ||
| import org.apache.paimon.operation.AppendOnlyFileStoreWrite; | ||
| import org.apache.paimon.table.FileStoreTable; | ||
| import org.apache.paimon.table.sink.CommitMessage; | ||
| import org.apache.paimon.table.sink.TableCommitImpl; | ||
|
|
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| import org.apache.flink.streaming.runtime.streamrecord.StreamRecord; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
| import java.util.Queue; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Future; | ||
| import java.util.function.Supplier; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| /** | ||
| * The help Class for the Compaction of unware bucket append table to execute {@link | ||
| * AppendOnlyCompactionTask}. | ||
| */ | ||
| public class UnwareBucketCompactionHelper { | ||
| private final FileStoreTable table; | ||
| private final String commitUser; | ||
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| private final transient AppendOnlyFileStoreWrite write; | ||
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| protected final transient Queue<Future<CommitMessage>> result; | ||
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| private final transient Supplier<ExecutorService> compactExecutorsupplier; | ||
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| public UnwareBucketCompactionHelper( | ||
| FileStoreTable table, | ||
| String commitUser, | ||
| Supplier<ExecutorService> lazyCompactExecutor) { | ||
| this.table = table; | ||
| this.commitUser = commitUser; | ||
| this.write = (AppendOnlyFileStoreWrite) table.store().newWrite(commitUser); | ||
| this.result = new LinkedList<>(); | ||
| this.compactExecutorsupplier = lazyCompactExecutor; | ||
| } | ||
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| public void processElement(StreamRecord<AppendOnlyCompactionTask> element) throws Exception { | ||
| AppendOnlyCompactionTask task = element.getValue(); | ||
| result.add(compactExecutorsupplier.get().submit(() -> task.doCompact(write))); | ||
| } | ||
|
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| public void close() throws Exception { | ||
| shutdown(); | ||
| } | ||
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| @VisibleForTesting | ||
| void shutdown() throws Exception { | ||
|
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| List<CommitMessage> messages = new ArrayList<>(); | ||
| for (Future<CommitMessage> resultFuture : result) { | ||
| if (!resultFuture.isDone()) { | ||
| // the later tasks should be stopped running | ||
| break; | ||
| } | ||
| try { | ||
| messages.add(resultFuture.get()); | ||
| } catch (Exception exception) { | ||
| // exception should already be handled | ||
| } | ||
| } | ||
| if (messages.isEmpty()) { | ||
| return; | ||
| } | ||
|
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| try (TableCommitImpl tableCommit = table.newCommit(commitUser)) { | ||
| tableCommit.abort(messages); | ||
| } | ||
| } | ||
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| public List<Committable> prepareCommit(boolean waitCompaction, long checkpointId) | ||
| throws IOException { | ||
| List<CommitMessage> tempList = new ArrayList<>(); | ||
| try { | ||
| while (!result.isEmpty()) { | ||
| Future<CommitMessage> future = result.peek(); | ||
| if (!future.isDone() && !waitCompaction) { | ||
| break; | ||
| } | ||
| result.poll(); | ||
| tempList.add(future.get()); | ||
| } | ||
| return tempList.stream() | ||
| .map(s -> new Committable(checkpointId, Committable.Kind.FILE, s)) | ||
| .collect(Collectors.toList()); | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException("Interrupted while waiting tasks done.", e); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException("Encountered an error while do compaction", e); | ||
| } | ||
| } | ||
|
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| public Iterable<Future<CommitMessage>> result() { | ||
| return result; | ||
| } | ||
| } |
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