com.sreejith.loganalyzer.mapreduce.LogDriver.java Source code

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Here is the source code for com.sreejith.loganalyzer.mapreduce.LogDriver.java

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/*
 * Copyright 2014 Sreejith Pillai
 *
 * Licensed 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 com.sreejith.loganalyzer.mapreduce;

import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;

public class LogDriver {

    public static void main(String[] args) throws Exception {
        Job job = new Job();
        job.setJarByClass(LogDriver.class);
        job.setJobName("Log Analyzer");

        job.setMapperClass(LogMapper.class);
        job.setPartitionerClass(LogPartitioner.class);
        job.setCombinerClass(LogReducer.class);
        job.setReducerClass(LogReducer.class);

        job.setNumReduceTasks(2);

        job.setOutputKeyClass(IntWritable.class);
        job.setOutputValueClass(IntWritable.class);

        FileInputFormat.addInputPath(job, new Path(args[0]));
        FileOutputFormat.setOutputPath(job, new Path(args[1]));

        job.waitForCompletion(true);

    }

}