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package mobvista.dmp.datasource.adn.mapreduce;
import com.google.common.base.Joiner;
import mobvista.dmp.common.CommonMapReduce;
import mobvista.dmp.common.CommonMapper;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.compress.GzipCodec;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.joda.time.format.DateTimeFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.regex.Pattern;
public class AdnRequestDeviceTotalMR extends Configured implements Tool {
public static void main(String[] args) throws Exception {
System.exit(ToolRunner.run(new Configuration(), new AdnRequestDeviceTotalMR(), args));
}
public int run(String[] strings) throws Exception {
Configuration conf = getConf();
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");
Job job = Job.getInstance(conf, "adn total");
job.setJarByClass(AdnRequestDeviceTotalMR.class);
Path outputPath = new Path(strings[2]);
FileInputFormat.addInputPath(job, new Path(strings[0]));
FileInputFormat.addInputPath(job, new Path(strings[1]));
FileSystem fileSystem = outputPath.getFileSystem(conf);
if (fileSystem.exists(outputPath)) {
fileSystem.delete(outputPath, true);
}
FileOutputFormat.setOutputPath(job, outputPath);
FileOutputFormat.setCompressOutput(job, true);
FileOutputFormat.setOutputCompressorClass(job, GzipCodec.class);
//job.setInputFormatClass(TextInputFormat.class);
job.setMapperClass(AdnTotalMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setReducerClass(AdnReducer.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
return job.waitForCompletion(true) ? 0 : 1;
}
public static class AdnReducer extends Reducer<Text, Text, Text, Text> {
private Pattern splitPtn = Pattern.compile("\t");
protected void reduce(Text key, Iterable<Text> values, Context context) throws IOException, InterruptedException {
String deviceId = key.toString();
String deviceType = null;
String mac = null;
String platform = null;
String osVersion = null;
String sdkVersion = null;
String deviceModel = null;
String deviceBrand = null;
String screenSize = null;
String countryCode = null;
String language = null;
String updateTime = null;
for (Text value: values) {
final String[] fields = splitPtn.split(value.toString());
if (fields.length == 12) { //total表
if (updateTime == null || updateTime.compareTo(fields[11]) < 0) {
deviceType = fields[0];
mac = fields[1];
platform = fields[2];
osVersion = fields[3];
sdkVersion = fields[4];
deviceModel = fields[5];
deviceBrand = fields[6];
screenSize = fields[7];
countryCode = fields[8];
language = fields[9];
updateTime = fields[11];
}
} else if (fields.length == 11) {//daily
String timestamp = fields[10];
final String datetime = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss").print(Long.valueOf(timestamp + "000"));
if (updateTime == null || updateTime.compareTo(datetime) < 0) {
deviceType = fields[0];
mac = fields[1];
platform = fields[2];
osVersion = fields[3];
sdkVersion = fields[4];
deviceModel = fields[5];
deviceBrand = fields[6];
screenSize = fields[7];
countryCode = fields[8];
language = fields[9];
updateTime = datetime;
}
}
}
if (deviceType == null || !(deviceType.equals("idfa") || deviceType.equals("gaid") || deviceType.equals("imei"))) {
return;
}
context.write(new Text(deviceId), new Text(Joiner.on("\t").join(deviceType, mac, platform, osVersion,
sdkVersion, deviceModel, deviceBrand, screenSize, countryCode, language,
updateTime, updateTime)));
}
}
public static class AdnTotalMapper extends AdnMapper {
private static final Logger logger = LoggerFactory.getLogger(AdnTotalMapper.class);
private int exceptionCount = 0;
private int columnNum;
@Override
protected void setup(Context context) throws IOException, InterruptedException {
//this.columnNum = context.getConfiguration().getInt("column.min.num", 54);
this.columnNum = context.getConfiguration().getInt("column.min.num", 20);
}
private void handleTotal(String[] fields, Context context) throws IOException, InterruptedException {
String deviceId = fields[0];
String deviceType = fields[1];
String mac = fields[2];
String platform = fields[3];
String osVersion = fields[4];
String sdkVersion = fields[5];
String deviceModel = fields[6];
String deviceBrand = fields[7];
String screenSize = fields[8];
String countryCode = fields[9];
String language = fields[10];
String updateTime = fields[12];
// 将UK改为GB，明远需求，修改人冯亮 20170815
if ("GB".equalsIgnoreCase(countryCode)) {
countryCode = "UK";
}
if (!deviceId.matches(regex)) {
CommonMapReduce.setMetrics(context, "DMP", "device_exeptions", 1);
}
Text text = new Text(Joiner.on("\t").join(deviceType, mac, platform, osVersion, sdkVersion, deviceModel,
deviceBrand, screenSize, countryCode, language, "", updateTime));
context.write(new Text(deviceId), text);
}
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String[] fields = value.toString().split("\t",-1);
if (fields.length >= columnNum) { //daily
handleClick(fields, context);
} else if (fields.length == 13) { //total
handleTotal(fields, context);
} else {
CommonMapReduce.setMetrics(context,"DMP","devivce_exceptions",1);
exceptionCount++;
}
}
@Override
protected void cleanup(Context context) throws IOException, InterruptedException {
if (exceptionCount > 0) {
logger.error("exception occurred {} times", exceptionCount);
}
}
}
}