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package mobvista.dmp.datasource.tracking.mapreduce;
import mobvista.dmp.common.CommonMapReduce;
import mobvista.dmp.common.InstallTotalReducer;
import mobvista.dmp.datasource.age.mapreduce.CalcDeviceAgeMR;
import mobvista.dmp.util.MRUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.compress.GzipCodec;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.util.GenericOptionsParser;
import java.io.IOException;
/**
* Created by liushuai on 2017/3/20 0020.
*/
public class TrackingInstallTotalMR {
public static void main(String[] args) throws InterruptedException, IOException, ClassNotFoundException {
Configuration conf = new Configuration();
conf.set("mapreduce.map.speculative", "true");
conf.set("mapreduce.reduce.speculative", "true");
conf.set("mapreduce.task.io.sort.mb", "500");
conf.set("mapreduce.reduce.java.opts", "-Xmx1536m");
conf.set("mapreduce.reduce.memory.mb", "2048");
conf.set("mapreduce.reduce.shuffle.parallelcopies", "50");
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
Job job = Job.getInstance(conf, "TrackingInstallTotalMR");
job.setJarByClass(CalcDeviceAgeMR.class);
FileOutputFormat.setCompressOutput(job, true);
FileOutputFormat.setOutputCompressorClass(job, GzipCodec.class);
job.setMapperClass(TrackingInstallDailyMapper.class);
job.setReducerClass(InstallTotalReducer.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(NullWritable.class);
FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
FileInputFormat.addInputPath(job, new Path(otherArgs[1]));
FileOutputFormat.setOutputPath(job, new Path(otherArgs[2]));
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
public static class TrackingInstallDailyMapper extends Mapper<LongWritable, Text, Text, Text> {
Text outKey = new Text();
Text outValue = new Text();
public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String[] array = MRUtils.SPLITTER.split(value.toString(), -1);
if (array.length == 6) { // 3s install daily
outKey.set(MRUtils.JOINER.join(array[0], array[1], array[2]));
outValue.set(MRUtils.JOINER.join(array[3], array[4]));
} else if (array.length == 4) { // 3s install total
outKey.set(MRUtils.JOINER.join(array[0], array[1], array[2]));
outValue.set(array[3]);
} else {
CommonMapReduce.setMetrics(context,"DMP","column_num_error", 1);
return;
}
context.write(outKey, outValue);
}
}
}