private void configureMapperTypesIfPossible(Job j, Class<? extends Mapper> mapper) {
// Find mapper
Class<?> targetClass = mapper;
Type targetType = mapper;
do {
targetType = targetClass.getGenericSuperclass();
targetClass = targetClass.getSuperclass();
} while (targetClass != null
&& targetClass != Object.class
&& !Mapper.class.equals(targetClass));
if (targetType instanceof ParameterizedType) {
Type[] params = ((ParameterizedType) targetType).getActualTypeArguments();
if (params.length == 4) {
// set each param (if possible);
if (params[2] instanceof Class) {
Class<?> clz = (Class<?>) params[2];
if (!clz.isInterface()) j.setMapOutputKeyClass(clz);
}
// set each param (if possible);
if (params[3] instanceof Class) {
Class<?> clz = (Class<?>) params[3];
if (!clz.isInterface()) {
j.setMapOutputValueClass(clz);
}
}
}
}
}
@Override
public int run(String[] args) throws Exception {
// TODO Auto-generated method stub
Configuration conf = getConf();
// conf.set("stat_date", dateString);
Job job = new Job(conf, "DayhslogUserDateNewMac");
job.setJarByClass(DayhslogUserDate.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
FileInputFormat.addInputPath(job, new Path(args[1]));
FileOutputFormat.setOutputPath(job, new Path(args[2] + "tmp"));
FileSystem.get(conf).delete(new Path(args[2] + "tmp"), true);
job.setMapperClass(DayhslogUserDateNewMacMapper.class);
job.setReducerClass(DayhslogUserDateNewMacReducer.class);
// job.setInputFormatClass(LzoTextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setNumReduceTasks(10);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
int code = job.waitForCompletion(true) ? 0 : 1;
if (code == 0) {
Job resultJob = new Job(conf, "DayhslogUserDate");
resultJob.setJarByClass(DayhslogUserDate.class);
FileInputFormat.addInputPath(resultJob, new Path(args[0]));
FileInputFormat.addInputPath(resultJob, new Path(args[2] + "tmp"));
FileOutputFormat.setOutputPath(resultJob, new Path(args[2]));
FileSystem.get(conf).delete(new Path(args[2]), true);
resultJob.setMapperClass(DayhslogUserDateMapper.class);
resultJob.setReducerClass(DayhslogUserDateReducer.class);
resultJob.setNumReduceTasks(10);
resultJob.setMapOutputKeyClass(Text.class);
resultJob.setMapOutputValueClass(Text.class);
resultJob.setOutputKeyClass(Text.class);
resultJob.setOutputValueClass(Text.class);
code = resultJob.waitForCompletion(true) ? 0 : 1;
}
Path tmpPath = new Path(args[2] + "tmp");
FileSystem.get(conf).delete(tmpPath, true);
System.exit(code);
return code;
}
public static void main(String[] args) throws Exception {
Configuration conf = new Configuration();
conf.set("mapred.textoutputformat.separator", ",");
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
// Logger log = Logger.getLogger("sds");
Job job = new Job(conf, "Max ");
job.setMapOutputKeyClass(CompositeKey.class);
job.setPartitionerClass(ActualKeyPartitioner.class);
job.setGroupingComparatorClass(ActualKeyGroupingComparator.class);
job.setSortComparatorClass(CompositeKeyComparator.class);
job.setJarByClass(map_reduce.class);
job.setMapperClass(MyMapper.class);
job.setReducerClass(MyReducer.class);
job.setNumReduceTasks(27);
job.setMapOutputKeyClass(CompositeKey.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
@Override
public int run(String[] args) throws Exception {
Configuration conf = new Configuration();
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
if (otherArgs.length < 2) {
System.err.println("Usage: topreviews <in> [<in>...] <out>");
System.exit(2);
}
Job job = Job.getInstance(conf, "Top Five Reviews");
job.setJarByClass(TopFive.class);
job.setPartitionerClass(NaturalKeyPartitioner.class);
job.setGroupingComparatorClass(NaturalKeyGroupingComparator.class);
job.setSortComparatorClass(CompositeKeyComparator.class);
job.setMapperClass(TopFiveMapper.class);
job.setReducerClass(TopFiveReducer.class);
job.setMapOutputKeyClass(TextPair.class);
job.setMapOutputValueClass(TextPair.class);
job.setOutputKeyClass(TextPair.class);
job.setOutputValueClass(TextPair.class);
FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
System.exit(job.waitForCompletion(true) ? 0 : 1);
return 0;
}
/**
* Create a map-only Hadoop Job out of the passed in parameters. Does not set the
* Job name.
*
* @see #getCustomJobName(String, org.apache.hadoop.mapreduce.JobContext, Class, Class)
*/
@SuppressWarnings("rawtypes")
public static Job prepareJob(Path inputPath,
Path outputPath,
Class<? extends InputFormat> inputFormat,
Class<? extends Mapper> mapper,
Class<? extends Writable> mapperKey,
Class<? extends Writable> mapperValue,
Class<? extends OutputFormat> outputFormat, Configuration conf) throws IOException {
//Job job = new Job(new Configuration(conf));
Job job = Job.getInstance(conf);
Configuration jobConf = job.getConfiguration();
if (mapper.equals(Mapper.class)) {
throw new IllegalStateException("Can't figure out the user class jar file from mapper/reducer");
}
job.setJarByClass(mapper);
job.setInputFormatClass(inputFormat);
jobConf.set("mapred.input.dir", inputPath.toString());
job.setMapperClass(mapper);
job.setMapOutputKeyClass(mapperKey);
job.setMapOutputValueClass(mapperValue);
job.setOutputKeyClass(mapperKey);
job.setOutputValueClass(mapperValue);
jobConf.setBoolean("mapred.compress.map.output", true);
job.setNumReduceTasks(0);
job.setOutputFormatClass(outputFormat);
jobConf.set("mapred.output.dir", outputPath.toString());
return job;
}
public static void main(String[] args)
throws IOException, InterruptedException, ClassNotFoundException {
Configuration conf = new Configuration();
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
if (args.length < 1) {
System.out.println("USAGE: RFDSReasoner [pool path] [options]");
return;
}
Job job = new Job(conf, "reasoner");
job.setJarByClass(TCMReasoner.class);
System.out.println(args[0]);
job.setMapperClass(TCMMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Triple.class);
job.setReducerClass(TCMReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Triple.class);
FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
job.waitForCompletion(true);
Counter derivedTriples =
job.getCounters()
.findCounter("org.apache.hadoop.mapred.Task$Counter", "REDUCE_OUTPUT_RECORDS");
System.out.println(derivedTriples.getValue());
return;
}
public static void main(String[] args)
throws IOException, InterruptedException, ClassNotFoundException {
if (args.length != 2) throw new IllegalArgumentException(args.length + " usage: ... ");
String bitvectorpath = args[0], outputPath = args[1];
Configuration conf = new Configuration();
Job job = Job.getInstance(new Cluster(conf), conf);
job.setJobName("int key replace phase1");
job.setJarByClass(OutlinkGrowthAnalysis.class);
job.setMapperClass(BVIdentitiyMapper.class);
job.setReducerClass(AnaylseOLGrowthReducer.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
job.setInputFormatClass(TabSeperatedTextInputFormat.class);
job.setOutputFormatClass(SequenceFileOutputFormat.class);
FileOutputFormat.setOutputPath(job, new Path(outputPath));
FileInputFormat.setInputPaths(job, new Path(bitvectorpath));
job.setNumReduceTasks(1);
job.waitForCompletion(true);
}
public int run(String[] args) throws Exception {
// Check input arguments
if (args.length != 2) {
System.out.println("Usage: firstprog <input HIB> <output directory>");
System.exit(0);
}
// Initialize and configure MapReduce job
Job job = Job.getInstance();
// Set input format class which parses the input HIB and spawns map tasks
// job.setInputFormatClass(ImageBundleInputFormat.class);
job.setInputFormatClass(HibInputFormat.class);
// Set the driver, mapper, and reducer classes which express the computation
job.setJarByClass(SampleProgram.class);
job.setMapperClass(SampleProgramMapper.class);
job.setReducerClass(SampleProgramReducer.class);
// Set the types for the key/value pairs passed to/from map and reduce layers
job.setMapOutputKeyClass(IntWritable.class);
job.setMapOutputValueClass(FloatImage.class);
job.setOutputKeyClass(IntWritable.class);
job.setOutputValueClass(Text.class);
// Set the input and output paths on the HDFS
FileInputFormat.setInputPaths(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path(args[1]));
// Execute the MapReduce job and block until it complets
boolean success = job.waitForCompletion(true);
// Return success or failure
return success ? 0 : 1;
}
@Override
public int run(String[] args) throws Exception {
final int ret = parseArgs(args);
if (ret < 0) {
return ret;
}
Job job = Job.getInstance(getConf());
job.setJarByClass(GreeDiFirst.class);
job.setJobName(String.format("Coverage-GreeDiFirst[%s %s]", partitionCount, selectCount));
job.getConfiguration().setInt(Fields.PARTITION_COUNT.get(), partitionCount);
job.getConfiguration().setInt(Fields.SELECT_COUNT.get(), selectCount);
job.setNumReduceTasks(partitionCount);
SetupHelper.getInstance().setSequenceInput(job, inputPath).setTextOutput(job, outputPath);
job.setMapOutputKeyClass(IntWritable.class);
job.setMapOutputValueClass(DocumentWithVectorWritable.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(IntWritable.class);
job.setMapperClass(Map.class);
job.setReducerClass(GreeDiReducer.class);
// Delete the output directory if it exists already.
FileSystem.get(getConf()).delete(new Path(outputPath), true);
job.waitForCompletion(true);
return 0;
}
public static void main(String[] args) throws Exception {
/// Create JOB 1 to convert all the flight data in to NODE : Graph Structure.
Configuration conf = new Configuration();
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
if (otherArgs.length != 3) {
System.err.println("Usage: hubsandspokesload <in> <out> <finalout>");
System.exit(2);
}
Job job = new Job(conf, "hubsandspokesload");
job.setJarByClass(HubsAndSpokes.class);
job.setMapperClass(HubSpokeLoadMapper.class);
job.setReducerClass(HubSpokeLoadReducer.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(NodeWritable.class);
job.setOutputValueClass(Text.class);
FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
boolean b = job.waitForCompletion(true);
if (!b) {
System.exit(2);
}
/// Call Job 2 where we perform HITS Algorithm to calculate Hub and Spoke
/// Value at each Node in the graph iteratively.
dijkstra(otherArgs[1], otherArgs[2]);
// dijkstra("output1", "finaloutput");
}
public Job getJob(Configuration conf) throws IOException {
Job job = new Job(conf, "pivoting");
job.setJarByClass(PivotingReducer.class);
job.setMapperClass(Mapper.class);
job.setReducerClass(PivotingReducer.class);
job.setInputFormatClass(SequenceFileInputFormat.class);
job.setMapOutputKeyClass(RuleWritable.class);
job.setMapOutputValueClass(MapWritable.class);
job.setOutputKeyClass(RuleWritable.class);
job.setOutputValueClass(MapWritable.class);
job.setOutputFormatClass(SequenceFileOutputFormat.class);
job.setPartitionerClass(RuleWritable.SourcePartitioner.class);
FileInputFormat.setInputPaths(job, new Path(conf.get("thrax.work-dir") + "collected"));
int maxSplitSize = conf.getInt("thrax.max-split-size", 0);
if (maxSplitSize != 0) FileInputFormat.setMaxInputSplitSize(job, maxSplitSize);
int numReducers = conf.getInt("thrax.reducers", 4);
job.setNumReduceTasks(numReducers);
FileOutputFormat.setOutputPath(job, new Path(conf.get("thrax.work-dir") + "pivoted"));
FileOutputFormat.setCompressOutput(job, true);
return job;
}
/**
* Run a local map reduce job to read records from HCatalog table and verify if the count is as
* expected
*
* @param readCount
* @param filter
* @return
* @throws Exception
*/
List<HCatRecord> runMRRead(int readCount, String filter) throws Exception {
MapRead.readCount = 0;
readRecords.clear();
Configuration conf = new Configuration();
conf.set(HiveConf.ConfVars.METASTORE_INTEGER_JDO_PUSHDOWN.varname, "true");
Job job = new Job(conf, "hcat mapreduce read test");
job.setJarByClass(this.getClass());
job.setMapperClass(HCatMapReduceTest.MapRead.class);
// input/output settings
job.setInputFormatClass(HCatInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
HCatInputFormat.setInput(job, dbName, tableName, filter);
job.setMapOutputKeyClass(BytesWritable.class);
job.setMapOutputValueClass(Text.class);
job.setNumReduceTasks(0);
Path path = new Path(fs.getWorkingDirectory(), "mapred/testHCatMapReduceOutput");
if (fs.exists(path)) {
fs.delete(path, true);
}
TextOutputFormat.setOutputPath(job, path);
job.waitForCompletion(true);
Assert.assertEquals(readCount, MapRead.readCount);
return readRecords;
}
public int run(String[] args) throws Exception {
// TODO Auto-generated method stub
if (args.length < 1) {
System.out.println("missing input ");
System.exit(1);
}
Configuration conf = new Configuration();
Job job = new Job(new JobConf(conf));
job.setJarByClass(InstallApp.class);
job.setMapperClass(InstallMapper.class);
job.setReducerClass(InstalleReduce.class);
job.setJobName("installtaotaosou");
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(IntWritable.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
FileSystem fs = FileSystem.get(URI.create(args[0]), conf);
FileStatus fileList[] = fs.listStatus(new Path(args[0]));
int length = fileList.length;
for (int i = 0; i < length; i++) {
FileInputFormat.addInputPath(job, fileList[i].getPath());
}
FileOutputFormat.setOutputPath(job, new Path(args[1]));
job.setNumReduceTasks(1);
job.waitForCompletion(true);
return 0;
}
public static void main(String[] args) throws Exception {
Configuration conf = new Configuration();
Job job = Job.getInstance(conf, "simple feature writer");
job.setJarByClass(FeatureWriterJob.class);
job.setMapperClass(MyMapper.class);
job.setInputFormatClass(GeoMesaInputFormat.class);
job.setOutputFormatClass(GeoMesaOutputFormat.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(ScalaSimpleFeature.class);
job.setNumReduceTasks(0);
Map<String, String> params = new HashMap<String, String>();
params.put("instanceId", "myinstance");
params.put("zookeepers", "zoo1,zoo2,zoo3");
params.put("user", "myuser");
params.put("password", "mypassword");
params.put("tableName", "mycatalog");
Query query = new Query("myfeature", ECQL.toFilter("BBOX(geom, -165,5,-50,75)"));
GeoMesaInputFormat.configure(job, params, query);
Map<String, String> outParams = new HashMap<String, String>();
outParams.put("instanceId", "myinstance");
outParams.put("zookeepers", "zoo1,zoo2,zoo3");
outParams.put("user", "myuser");
outParams.put("password", "mypassword");
outParams.put("tableName", "mycatalog_2");
GeoMesaOutputFormat.configureDataStore(job, outParams);
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
@Override
public int run(String[] args) throws Exception {
Configuration conf = new Configuration();
Job job = Job.getInstance(conf, AnalysisMapReduce.class.getName());
job.setJarByClass(AnalysisMapReduce.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
job.setInputFormatClass(TextInputFormat.class);
job.setMapperClass(AnalysicMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(NullWritable.class);
// job.setNumReduceTasks(0);
job.setNumReduceTasks(1);
job.setReducerClass(AnalysicReducer.class);
job.setOutputKeyClass(IntWritable.class);
job.setOutputValueClass(NullWritable.class);
Path out = new Path(args[1]);
FileSystem fs = FileSystem.get(conf);
if (fs.exists(out)) {
fs.delete(out, true);
}
FileOutputFormat.setOutputPath(job, out);
return job.waitForCompletion(true) ? 0 : 1;
}
@Override
public int run(String[] args) throws Exception {
if (args.length != 2) {
System.err.println("Usage: WhiteHouseVisitorDriver <input path> <output path>");
ToolRunner.printGenericCommandUsage(System.err);
return -1;
}
Configuration conf = new Configuration();
Job job = new Job(conf);
job.setJarByClass(WhiteHouseVisitorDriver.class);
// input file format
FileInputFormat.addInputPath(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path(args[1]));
// map/combine/reduce class definition
job.setMapperClass(WhiteHouseVisitorMapper.class);
job.setCombinerClass(IntSumReducer.class);
job.setReducerClass(IntSumReducer.class);
// Key, Value set type definition
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(IntWritable.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
return job.waitForCompletion(true) ? 0 : 1;
}
public static void main(String[] args) throws Exception {
{
Configuration conf = new Configuration();
conf.set("mapreduce.job.jar", "wcwin.jar"); // 此处代码，一定放在Job任务前面，否则会报类找不到的异常
Job job = Job.getInstance(conf, "winjob");
getConf(conf);
job.setJarByClass(WordCount.class);
job.setMapperClass(WMapper.class);
job.setReducerClass(WReducer.class);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(IntWritable.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
String path = "/wc/output";
// FileSystem fs = FileSystem.get(conf);
Path p = new Path(path);
// if (fs.exists(p)) {
// fs.delete(p, true);
// System.out.println("输出路径存在，已删除！");
// }
FileInputFormat.setInputPaths(job, "/wc/srcdata");
FileOutputFormat.setOutputPath(job, p);
printEnv(job);
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
}
private void configureMapTasks(String arg, Job job) throws IOException {
job.setMapperClass(IdentityMapper.class);
job.setMapOutputKeyClass(keyClass);
job.setMapOutputValueClass(valueClass);
job.setInputFormatClass(SequenceFileInputFormat.class);
SequenceFileInputFormat.setInputPaths(job, arg);
}
public static void dijkstra(String input, String output) throws Exception {
String temp = output;
/// Run HITS Algorithm JOB:2 For 32 Times
/// Setting the Value of k-> 32
for (int i = 0; i < 32; i++) {
Configuration conf = new Configuration();
Job job = new Job(conf, "hubsandspokes");
job.setJarByClass(HubsAndSpokes.class);
job.setMapperClass(HubSpokeMapper.class);
job.setReducerClass(HubSpokeReducer.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(NodeWritable.class);
job.setOutputKeyClass(NodeWritable.class);
job.setOutputValueClass(Text.class);
job.setNumReduceTasks(1);
FileInputFormat.addInputPath(job, new Path(input));
FileOutputFormat.setOutputPath(job, new Path(output));
// Toggle the value of Input and Output variable
// For Next iteration
input = output;
output = temp + Integer.toString(i);
// Wait for completing the JOB
boolean b = job.waitForCompletion(true);
if (!b) System.exit(2);
// System.exit(job.waitForCompletion(true) ? 0 : 1);
}
}
/** RUN */
@Override
public int run(String[] args) throws Exception {
if (args.length != 3) {
System.err.println("Usage: wordcount <input_dir> <output_dir> <reducers>");
return -1;
}
Job job = new Job(getConf(), "PigMix L13");
job.setJarByClass(L13.class);
job.setInputFormatClass(TextInputFormat.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
job.setMapperClass(ReadInput.class);
job.setReducerClass(Join.class);
Properties props = System.getProperties();
Configuration conf = job.getConfiguration();
for (Map.Entry<Object, Object> entry : props.entrySet()) {
conf.set((String) entry.getKey(), (String) entry.getValue());
}
FileInputFormat.addInputPath(job, new Path(args[0] + "/pigmix_page_views"));
FileInputFormat.addInputPath(job, new Path(args[0] + "/pigmix_power_users_samples"));
FileOutputFormat.setOutputPath(job, new Path(args[1] + "/L13out"));
job.setNumReduceTasks(Integer.parseInt(args[2]));
return job.waitForCompletion(true) ? 0 : -1;
}
@Override
public int run(String[] args) throws Exception {
Job job = new Job(getConf());
String jobName = "Rating predictor MR";
job.setJobName(jobName);
job.setJarByClass(UtilityPredictor.class);
FileInputFormat.addInputPaths(job, args[0]);
FileOutputFormat.setOutputPath(job, new Path(args[1]));
job.setMapperClass(UtilityPredictor.PredictionMapper.class);
job.setReducerClass(UtilityPredictor.PredictorReducer.class);
job.setMapOutputKeyClass(TextInt.class);
job.setMapOutputValueClass(Tuple.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
job.setGroupingComparatorClass(ItemIdGroupComprator.class);
job.setPartitionerClass(ItemIdPartitioner.class);
Utility.setConfiguration(job.getConfiguration());
int numReducer = job.getConfiguration().getInt("utp.num.reducer", -1);
numReducer = -1 == numReducer ? job.getConfiguration().getInt("num.reducer", 1) : numReducer;
job.setNumReduceTasks(numReducer);
int status = job.waitForCompletion(true) ? 0 : 1;
return status;
}
@Override
public int run(String[] args) throws Exception {
Job job = new Job(getConf());
String jobName = "Implicit rating estimator MR";
job.setJobName(jobName);
job.setJarByClass(ImplicitRatingEstimator.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path(args[1]));
job.setMapperClass(ImplicitRatingEstimator.RatingEstimatorMapper.class);
job.setReducerClass(ImplicitRatingEstimator.RatingEstimatorReducer.class);
job.setMapOutputKeyClass(Tuple.class);
job.setMapOutputValueClass(Tuple.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
job.setGroupingComparatorClass(SecondarySort.TuplePairGroupComprator.class);
job.setPartitionerClass(SecondarySort.TuplePairPartitioner.class);
Utility.setConfiguration(job.getConfiguration());
job.setNumReduceTasks(job.getConfiguration().getInt("num.reducer", 1));
int status = job.waitForCompletion(true) ? 0 : 1;
return status;
}
public int run(String[] args) throws Exception {
// TODO Auto-generated method stub
Job job =
Job.getInstance(
getConf(),
"Import vessel locations from files in "
+ args[0]
+ " into table cdb_vessel:vessel_location"); // co
FileInputFormat.addInputPath(job, new Path(args[0]));
job.setJarByClass(ImportVTLocationFromFileWithReducer.class);
job.setJobName("Vessel_location_injection");
job.setInputFormatClass(VTVesselLocationFileInputFormat.class);
job.setMapOutputKeyClass(Key_IMOAndRecordTime.class);
job.setMapOutputValueClass(TextArrayWritable.class);
job.setPartitionerClass(Partitioner_IMO.class);
job.setGroupingComparatorClass(GroupComparator_IMO.class);
job.setReducerClass(ImportReducer.class);
job.setNumReduceTasks(Integer.parseInt(args[1]));
job.setOutputFormatClass(NullOutputFormat.class);
return job.waitForCompletion(true) ? 0 : 1;
}
/**
* Driver for InputSampler from the command line. Configures a JobConf instance and calls {@link
* #writePartitionFile}.
*/
public int run(String[] args) throws Exception {
Job job = new Job(getConf());
ArrayList<String> otherArgs = new ArrayList<String>();
Sampler<K, V> sampler = null;
for (int i = 0; i < args.length; ++i) {
try {
if ("-r".equals(args[i])) {
job.setNumReduceTasks(Integer.parseInt(args[++i]));
} else if ("-inFormat".equals(args[i])) {
job.setInputFormatClass(Class.forName(args[++i]).asSubclass(InputFormat.class));
} else if ("-keyClass".equals(args[i])) {
job.setMapOutputKeyClass(Class.forName(args[++i]).asSubclass(WritableComparable.class));
} else if ("-splitSample".equals(args[i])) {
int numSamples = Integer.parseInt(args[++i]);
int maxSplits = Integer.parseInt(args[++i]);
if (0 >= maxSplits) maxSplits = Integer.MAX_VALUE;
sampler = new SplitSampler<K, V>(numSamples, maxSplits);
} else if ("-splitRandom".equals(args[i])) {
double pcnt = Double.parseDouble(args[++i]);
int numSamples = Integer.parseInt(args[++i]);
int maxSplits = Integer.parseInt(args[++i]);
if (0 >= maxSplits) maxSplits = Integer.MAX_VALUE;
sampler = new RandomSampler<K, V>(pcnt, numSamples, maxSplits);
} else if ("-splitInterval".equals(args[i])) {
double pcnt = Double.parseDouble(args[++i]);
int maxSplits = Integer.parseInt(args[++i]);
if (0 >= maxSplits) maxSplits = Integer.MAX_VALUE;
sampler = new IntervalSampler<K, V>(pcnt, maxSplits);
} else {
otherArgs.add(args[i]);
}
} catch (NumberFormatException except) {
System.out.println("ERROR: Integer expected instead of " + args[i]);
return printUsage();
} catch (ArrayIndexOutOfBoundsException except) {
System.out.println("ERROR: Required parameter missing from " + args[i - 1]);
return printUsage();
}
}
if (job.getNumReduceTasks() <= 1) {
System.err.println("Sampler requires more than one reducer");
return printUsage();
}
if (otherArgs.size() < 2) {
System.out.println("ERROR: Wrong number of parameters: ");
return printUsage();
}
if (null == sampler) {
sampler = new RandomSampler<K, V>(0.1, 10000, 10);
}
Path outf = new Path(otherArgs.remove(otherArgs.size() - 1));
TotalOrderPartitioner.setPartitionFile(getConf(), outf);
for (String s : otherArgs) {
FileInputFormat.addInputPath(job, new Path(s));
}
InputSampler.<K, V>writePartitionFile(job, sampler);
return 0;
}
private void doMapReduce() {
try {
Job job = Job.getInstance();
job.getConfiguration().set(OutputFormat.NAMESPACE, "/");
job.getConfiguration().set(OutputFormat.TABLE, "LoadTest");
job.getConfiguration().setInt(OutputFormat.MUTATOR_FLAGS, MutatorFlag.NO_LOG_SYNC.getValue());
job.getConfiguration().setInt(OutputFormat.MUTATOR_FLUSH_INTERVAL, 0);
job.getConfiguration().setInt("LoadSplit.TOTAL_ROWS", this.totalRows);
job.getConfiguration().setInt("LoadSplit.CLIENTS", this.clients);
job.setJarByClass(LoadTest.class);
job.setJobName("Hypertable MapReduce connector LoadTest");
job.setInputFormatClass(LoadInputFormat.class);
job.setOutputFormatClass(OutputFormat.class);
job.setMapOutputKeyClass(KeyWritable.class);
job.setMapOutputValueClass(BytesWritable.class);
job.setMapperClass(LoadMapper.class);
job.setReducerClass(LoadReducer.class);
job.setNumReduceTasks(this.clients);
job.waitForCompletion(true);
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public int run(String[] args) throws Exception {
Job job = new Job(conf);
job.setJarByClass(StatisticsGenerator.class);
job.setInputFormatClass(SequenceFileInputFormat.class);
job.setOutputFormatClass(SequenceFileOutputFormat.class);
SequenceFileInputFormat.addInputPath(job, new Path(args[0]));
SequenceFileOutputFormat.setOutputPath(job, new Path(args[1]));
job.setMapperClass(StatisticsMap.class);
job.setReducerClass(StatisticsReduce.class);
job.setMapOutputKeyClass(SortedMapWritableComparable.class);
job.setMapOutputValueClass(BytesWritable.class);
job.setNumReduceTasks(16);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(BytesWritable.class);
long startTime =
ManagementFactory.getThreadMXBean().getThreadCpuTime(Thread.currentThread().getId());
boolean success = job.waitForCompletion(true);
long endTime =
ManagementFactory.getThreadMXBean().getThreadCpuTime(Thread.currentThread().getId());
double duration = (endTime - startTime) / Math.pow(10, 9);
logger.info(
"=== Job Finished in " + duration + " seconds " + (success ? "(success)" : "(failure)"));
return success ? 0 : 1;
}
private boolean runJob(Configuration conf)
throws IOException, InterruptedException, ClassNotFoundException {
Job job = Job.getInstance(conf, "WordCount");
job.setJarByClass(WordCount.class);
// Configure input format and files
job.setInputFormatClass(TextInputFormat.class);
FileInputFormat.addInputPath(job, new Path(inputDir));
// Configure output format and files
job.setOutputFormatClass(TextOutputFormat.class);
FileOutputFormat.setOutputPath(job, new Path(outputDir));
// set up mapper, combiner and reducer
job.setMapperClass(WordCountMapper.class);
job.setReducerClass(WordCountReducer.class);
job.setCombinerClass(WordCountReducer.class);
// set sorting, grouping and partitioning
// set key and value types
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(IntWritable.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
return job.waitForCompletion(true);
}
public static void main(String[] args)
throws IOException, InterruptedException, ClassNotFoundException {
// TODO Auto-generated method stub
JobConf conf = new JobConf();
conf.setNumMapTasks(1);
conf.setNumReduceTasks(5);
FileSystem fs = FileSystem.get(conf);
Path dir = new Path(args[0]);
FileStatus[] stats = fs.listStatus(dir);
numFiles = stats.length;
Job job = new Job(conf);
job.setJarByClass(FileCombiner.class);
job.setJobName("File Combiner");
job.setMapperClass(FileCombinerMapper.class);
job.setReducerClass(FileCombinerReducer.class);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
// LazyOutputFormat.setOutputFormatClass(job, TextOutputFormat.class);
job.setMapOutputKeyClass(IntWritable.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(IntWritable.class);
job.setOutputValueClass(Text.class);
FileInputFormat.setInputPaths(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path(args[1]));
job.waitForCompletion(true);
}
@Override
public int run(String[] args) throws Exception {
Job job = new Job(getConf());
String jobName = "Running aggregates for numerical attributes";
job.setJobName(jobName);
job.setJarByClass(RunningAggregator.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path(args[1]));
Utility.setConfiguration(job.getConfiguration(), "chombo");
job.setMapperClass(RunningAggregator.AggrMapper.class);
job.setReducerClass(RunningAggregator.AggrReducer.class);
job.setMapOutputKeyClass(Tuple.class);
job.setMapOutputValueClass(Tuple.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
job.setNumReduceTasks(job.getConfiguration().getInt("num.reducer", 1));
int status = job.waitForCompletion(true) ? 0 : 1;
return status;
}
@Override
public int run(String[] args) throws Exception {
Job job = Job.getInstance(getConf());
job.setJobName("TeraSortCloud");
job.setJarByClass(this.getClass());
Opts opts = new Opts();
opts.parseArgs(TeraSortIngest.class.getName(), args);
job.setInputFormatClass(RangeInputFormat.class);
job.setMapperClass(SortGenMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Mutation.class);
job.setNumReduceTasks(0);
job.setOutputFormatClass(AccumuloOutputFormat.class);
opts.setAccumuloConfigs(job);
BatchWriterConfig bwConfig = new BatchWriterConfig().setMaxMemory(10L * 1000 * 1000);
AccumuloOutputFormat.setBatchWriterOptions(job, bwConfig);
Configuration conf = job.getConfiguration();
conf.setLong(NUMROWS, opts.numRows);
conf.setInt("cloudgen.minkeylength", opts.minKeyLength);
conf.setInt("cloudgen.maxkeylength", opts.maxKeyLength);
conf.setInt("cloudgen.minvaluelength", opts.minValueLength);
conf.setInt("cloudgen.maxvaluelength", opts.maxValueLength);
conf.set("cloudgen.tablename", opts.getTableName());
if (args.length > 10) conf.setInt(NUMSPLITS, opts.splits);
job.waitForCompletion(true);
return job.isSuccessful() ? 0 : 1;
}