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JavaSortAndSizeExecutionStrategy.java
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JavaSortAndSizeExecutionStrategy.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.
*/
package org.apache.hudi.client.clustering.run.strategy;
import org.apache.hudi.client.WriteStatus;
import org.apache.hudi.common.engine.EngineType;
import org.apache.hudi.common.engine.HoodieEngineContext;
import org.apache.hudi.common.model.HoodieFileGroupId;
import org.apache.hudi.common.model.HoodieRecord;
import org.apache.hudi.common.model.HoodieRecordPayload;
import org.apache.hudi.config.HoodieStorageConfig;
import org.apache.hudi.config.HoodieWriteConfig;
import org.apache.hudi.io.CreateHandleFactory;
import org.apache.hudi.table.HoodieTable;
import org.apache.hudi.table.action.commit.JavaBulkInsertHelper;
import org.apache.avro.Schema;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import java.util.List;
import java.util.Map;
import java.util.Properties;
/**
* Clustering Strategy based on following.
* 1) Java execution engine.
* 2) Uses bulk_insert to write data into new files.
*/
public class JavaSortAndSizeExecutionStrategy<T extends HoodieRecordPayload<T>>
extends JavaExecutionStrategy<T> {
private static final Logger LOG = LogManager.getLogger(JavaSortAndSizeExecutionStrategy.class);
public JavaSortAndSizeExecutionStrategy(HoodieTable table,
HoodieEngineContext engineContext,
HoodieWriteConfig writeConfig) {
super(table, engineContext, writeConfig);
}
@Override
public List<WriteStatus> performClusteringWithRecordList(
final List<HoodieRecord<T>> inputRecords, final int numOutputGroups,
final String instantTime, final Map<String, String> strategyParams, final Schema schema,
final List<HoodieFileGroupId> fileGroupIdList, final boolean preserveHoodieMetadata) {
LOG.info("Starting clustering for a group, parallelism:" + numOutputGroups + " commit:" + instantTime);
Properties props = getWriteConfig().getProps();
props.put(HoodieWriteConfig.BULKINSERT_PARALLELISM_VALUE.key(), String.valueOf(numOutputGroups));
// We are calling another action executor - disable auto commit. Strategy is only expected to write data in new files.
props.put(HoodieWriteConfig.AUTO_COMMIT_ENABLE.key(), Boolean.FALSE.toString());
props.put(HoodieStorageConfig.PARQUET_MAX_FILE_SIZE.key(), String.valueOf(getWriteConfig().getClusteringTargetFileMaxBytes()));
HoodieWriteConfig newConfig = HoodieWriteConfig.newBuilder()
.withEngineType(EngineType.JAVA).withProps(props).build();
return (List<WriteStatus>) JavaBulkInsertHelper.newInstance().bulkInsert(inputRecords, instantTime, getHoodieTable(), newConfig,
false, getPartitioner(strategyParams, schema), true, numOutputGroups, new CreateHandleFactory(preserveHoodieMetadata));
}
}