org.apache.drill.exec.ops.OperatorMetricRegistry 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.drill.exec.ops;
import org.apache.drill.exec.physical.config.BroadcastSender;
import org.apache.drill.exec.physical.config.ExternalSort;
import org.apache.drill.exec.physical.config.FlattenPOP;
import org.apache.drill.exec.physical.config.HashAggregate;
import org.apache.drill.exec.physical.config.HashJoinPOP;
import org.apache.drill.exec.physical.config.HashPartitionSender;
import org.apache.drill.exec.physical.config.LateralJoinPOP;
import org.apache.drill.exec.physical.config.MergeJoinPOP;
import org.apache.drill.exec.physical.config.MergingReceiverPOP;
import org.apache.drill.exec.physical.config.RuntimeFilterPOP;
import org.apache.drill.exec.physical.config.Screen;
import org.apache.drill.exec.physical.config.SingleSender;
import org.apache.drill.exec.physical.config.UnionAll;
import org.apache.drill.exec.physical.config.UnnestPOP;
import org.apache.drill.exec.physical.config.UnorderedReceiver;
import org.apache.drill.exec.physical.impl.ScreenCreator;
import org.apache.drill.exec.physical.impl.SingleSenderCreator;
import org.apache.drill.exec.physical.impl.aggregate.HashAggTemplate;
import org.apache.drill.exec.physical.impl.broadcastsender.BroadcastSenderRootExec;
import org.apache.drill.exec.physical.impl.filter.RuntimeFilterRecordBatch;
import org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch;
import org.apache.drill.exec.physical.impl.join.HashJoinBatch;
import org.apache.drill.exec.physical.impl.mergereceiver.MergingRecordBatch;
import org.apache.drill.exec.physical.impl.partitionsender.PartitionSenderRootExec;
import org.apache.drill.exec.physical.impl.unnest.UnnestRecordBatch;
import org.apache.drill.exec.physical.impl.unorderedreceiver.UnorderedReceiverBatch;
import org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch;
import org.apache.drill.exec.record.AbstractBinaryRecordBatch;
import org.apache.drill.exec.store.parquet.ParquetRowGroupScan;
import org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
/**
* Registry of operator metrics.
*/
public class OperatorMetricRegistry {
// private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(OperatorMetricRegistry.class);
// Mapping: key : operator type, value : metric id --> metric name
private static final Map OPERATOR_METRICS = new HashMap<>();
static {
register(Screen.OPERATOR_TYPE, ScreenCreator.ScreenRoot.Metric.class);
register(SingleSender.OPERATOR_TYPE, SingleSenderCreator.SingleSenderRootExec.Metric.class);
register(BroadcastSender.OPERATOR_TYPE, BroadcastSenderRootExec.Metric.class);
register(HashPartitionSender.OPERATOR_TYPE, PartitionSenderRootExec.Metric.class);
register(MergingReceiverPOP.OPERATOR_TYPE, MergingRecordBatch.Metric.class);
register(UnorderedReceiver.OPERATOR_TYPE, UnorderedReceiverBatch.Metric.class);
register(HashAggregate.OPERATOR_TYPE, HashAggTemplate.Metric.class);
register(HashJoinPOP.OPERATOR_TYPE, HashJoinBatch.Metric.class);
register(ExternalSort.OPERATOR_TYPE, ExternalSortBatch.Metric.class);
register(ParquetRowGroupScan.OPERATOR_TYPE, ParquetRecordReader.Metric.class);
register(FlattenPOP.OPERATOR_TYPE, FlattenRecordBatch.Metric.class);
register(MergeJoinPOP.OPERATOR_TYPE, AbstractBinaryRecordBatch.Metric.class);
register(LateralJoinPOP.OPERATOR_TYPE, AbstractBinaryRecordBatch.Metric.class);
register(UnnestPOP.OPERATOR_TYPE, UnnestRecordBatch.Metric.class);
register(UnionAll.OPERATOR_TYPE, AbstractBinaryRecordBatch.Metric.class);
register(RuntimeFilterPOP.OPERATOR_TYPE, RuntimeFilterRecordBatch.Metric.class);
}
private static void register(String operatorType, Class extends MetricDef> metricDef) {
// Currently registers a metric def that has enum constants
MetricDef[] enumConstants = metricDef.getEnumConstants();
if (enumConstants != null) {
String[] names = Arrays.stream(enumConstants)
.map(MetricDef::name)
.toArray((String[]::new));
OPERATOR_METRICS.put(operatorType, names);
}
}
/**
* Given an operator type, this method returns an array of metric names (indexable by metric id).
*
* @param operatorType the operator type
* @return metric names if operator was registered, null otherwise
*/
public static String[] getMetricNames(String operatorType) {
return OPERATOR_METRICS.get(operatorType);
}
// to prevent instantiation
private OperatorMetricRegistry() {
}
}
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