org.apache.tez.analyzer.plugins.ContainerReuseAnalyzer.java Source code

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Here is the source code for org.apache.tez.analyzer.plugins.ContainerReuseAnalyzer.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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.tez.analyzer.plugins;

import com.google.common.collect.Lists;
import com.google.common.collect.Multimap;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.util.ToolRunner;
import org.apache.tez.analyzer.Analyzer;
import org.apache.tez.analyzer.CSVResult;
import org.apache.tez.dag.api.TezException;
import org.apache.tez.history.parser.datamodel.Container;
import org.apache.tez.history.parser.datamodel.DagInfo;
import org.apache.tez.history.parser.datamodel.TaskAttemptInfo;
import org.apache.tez.history.parser.datamodel.VertexInfo;

import java.util.List;

/**
 * Get container reuse information at a per vertex level basis.
 */
public class ContainerReuseAnalyzer extends TezAnalyzerBase implements Analyzer {

    private final Configuration config;

    private static final String[] headers = { "vertexName", "taskAttempts", "node", "containerId", "reuseCount" };

    private final CSVResult csvResult;

    public ContainerReuseAnalyzer(Configuration config) {
        this.config = config;
        this.csvResult = new CSVResult(headers);
    }

    @Override
    public void analyze(DagInfo dagInfo) throws TezException {
        for (VertexInfo vertexInfo : dagInfo.getVertices()) {
            Multimap<Container, TaskAttemptInfo> containers = vertexInfo.getContainersMapping();
            for (Container container : containers.keySet()) {
                List<String> record = Lists.newLinkedList();
                record.add(vertexInfo.getVertexName());
                record.add(vertexInfo.getTaskAttempts().size() + "");
                record.add(container.getHost());
                record.add(container.getId());
                record.add(Integer.toString(containers.get(container).size()));
                csvResult.addRecord(record.toArray(new String[record.size()]));
            }
        }
    }

    @Override
    public CSVResult getResult() throws TezException {
        return csvResult;
    }

    @Override
    public String getName() {
        return "Container Reuse Analyzer";
    }

    @Override
    public String getDescription() {
        return "Get details on container reuse analysis";
    }

    @Override
    public Configuration getConfiguration() {
        return config;
    }

    public static void main(String[] args) throws Exception {
        Configuration config = new Configuration();
        ContainerReuseAnalyzer analyzer = new ContainerReuseAnalyzer(config);
        int res = ToolRunner.run(config, analyzer, args);
        analyzer.printResults();
        System.exit(res);
    }
}