org.apache.hudi.table.WorkloadProfile Maven / Gradle / Ivy
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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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hudi.table;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.hudi.common.model.HoodieRecord;
import org.apache.hudi.common.model.HoodieRecordLocation;
import org.apache.hudi.common.model.HoodieRecordPayload;
import org.apache.hudi.common.util.Option;
import org.apache.spark.api.java.JavaRDD;
import scala.Tuple2;
/**
* Information about incoming records for upsert/insert obtained either via sampling or introspecting the data fully
*
* TODO(vc): Think about obtaining this directly from index.tagLocation
*/
public class WorkloadProfile implements Serializable {
/**
* Input workload
*/
private final JavaRDD> taggedRecords;
/**
* Computed workload profile
*/
private final HashMap partitionPathStatMap;
private final WorkloadStat globalStat;
public WorkloadProfile(JavaRDD> taggedRecords) {
this.taggedRecords = taggedRecords;
this.partitionPathStatMap = new HashMap<>();
this.globalStat = new WorkloadStat();
buildProfile();
}
private void buildProfile() {
Map>, Long> partitionLocationCounts = taggedRecords
.mapToPair(record -> new Tuple2<>(
new Tuple2<>(record.getPartitionPath(), Option.ofNullable(record.getCurrentLocation())), record))
.countByKey();
for (Map.Entry>, Long> e : partitionLocationCounts.entrySet()) {
String partitionPath = e.getKey()._1();
Long count = e.getValue();
Option locOption = e.getKey()._2();
if (!partitionPathStatMap.containsKey(partitionPath)) {
partitionPathStatMap.put(partitionPath, new WorkloadStat());
}
if (locOption.isPresent()) {
// update
partitionPathStatMap.get(partitionPath).addUpdates(locOption.get(), count);
globalStat.addUpdates(locOption.get(), count);
} else {
// insert
partitionPathStatMap.get(partitionPath).addInserts(count);
globalStat.addInserts(count);
}
}
}
public WorkloadStat getGlobalStat() {
return globalStat;
}
public Set getPartitionPaths() {
return partitionPathStatMap.keySet();
}
public WorkloadStat getWorkloadStat(String partitionPath) {
return partitionPathStatMap.get(partitionPath);
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("WorkloadProfile {");
sb.append("globalStat=").append(globalStat).append(", ");
sb.append("partitionStat=").append(partitionPathStatMap);
sb.append('}');
return sb.toString();
}
}