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[HUDI-4551] Tweak the default parallelism of flink pipeline to execut…
…ion env parallelism (apache#6312)
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...k-datasource/hudi-flink/src/main/java/org/apache/hudi/configuration/OptionsInference.java
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/* | ||
* 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.hudi.configuration; | ||
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import org.apache.flink.configuration.Configuration; | ||
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/** | ||
* Tool helping to infer the flink options {@link FlinkOptions}. | ||
*/ | ||
public class OptionsInference { | ||
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/** | ||
* Sets up the default source task parallelism if it is not specified. | ||
* | ||
* @param conf The configuration | ||
* @param envTasks The parallelism of the execution env | ||
*/ | ||
public static void setupSourceTasks(Configuration conf, int envTasks) { | ||
if (!conf.contains(FlinkOptions.READ_TASKS)) { | ||
conf.setInteger(FlinkOptions.READ_TASKS, envTasks); | ||
} | ||
} | ||
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/** | ||
* Sets up the default sink tasks parallelism if it is not specified. | ||
* | ||
* @param conf The configuration | ||
* @param envTasks The parallelism of the execution env | ||
*/ | ||
public static void setupSinkTasks(Configuration conf, int envTasks) { | ||
// write task number, default same as execution env tasks | ||
if (!conf.contains(FlinkOptions.WRITE_TASKS)) { | ||
conf.setInteger(FlinkOptions.WRITE_TASKS, envTasks); | ||
} | ||
int writeTasks = conf.getInteger(FlinkOptions.WRITE_TASKS); | ||
// bucket assign tasks, default same as write tasks | ||
if (!conf.contains(FlinkOptions.BUCKET_ASSIGN_TASKS)) { | ||
conf.setInteger(FlinkOptions.BUCKET_ASSIGN_TASKS, writeTasks); | ||
} | ||
// compaction tasks, default same as write tasks | ||
if (!conf.contains(FlinkOptions.COMPACTION_TASKS)) { | ||
conf.setInteger(FlinkOptions.COMPACTION_TASKS, writeTasks); | ||
} | ||
// clustering tasks, default same as write tasks | ||
if (!conf.contains(FlinkOptions.CLUSTERING_TASKS)) { | ||
conf.setInteger(FlinkOptions.CLUSTERING_TASKS, writeTasks); | ||
} | ||
} | ||
} |
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