public static void main(String[] args) throws Exception {
Configuration conf = new Configuration();
// conf.addResource(new Path("/home/hadoop/hadoop/hadoop-1.2.1/conf/core-site.xml"));
// conf.addResource(new Path("/home/hadoop/hadoop/hadoop-1.2.1/conf/hdfs-site.xml"));
// ===== Stage 1 =====
Job job1 = new Job(conf, "Stage 1: Frequency Count");
job1.setJarByClass(HashCount1.class);
job1.setMapperClass(Mapper1.class);
// job1.setCombinerClass(Combine1.class);
job1.setReducerClass(Reducer1.class);
job1.setOutputKeyClass(Text.class);
job1.setOutputValueClass(IntWritable.class);
job1.setNumReduceTasks(1);
FileInputFormat.addInputPath(job1, new Path("/TwitterInFiles/twitter_10k.tar.gz"));
FileOutputFormat.setOutputPath(job1, new Path("/twitterOuts/output1"));
job1.waitForCompletion(true);
// ===== Stage 2 =====
Job job2 = new Job(conf, "Stage 2: Sort");
job2.setJarByClass(HashCount1.class);
job2.setMapperClass(Mapper2.class);
// job1.setCombinerClass(IntSumReducer.class);
job2.setReducerClass(Reducer2.class);
job2.setOutputKeyClass(IntWritable.class);
job2.setOutputValueClass(Text.class);
job2.setNumReduceTasks(1);
FileInputFormat.addInputPath(job2, new Path("/twitterOuts/output1"));
FileOutputFormat.setOutputPath(job2, new Path("/twitterOuts/output2"));
job2.waitForCompletion(true);
System.exit(job2.waitForCompletion(true) ? 0 : 1);
}
public static void main(String[] args)
throws IOException, ClassNotFoundException, InterruptedException {
Configuration conf = new Configuration();
Job job = new Job(conf, "job");
job.setJarByClass(PVidConvert.class);
job.setMapperClass(Map1.class);
job.setReducerClass(Reduce1.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path("/tmp/temporary_execution/"));
job.waitForCompletion(true);
Configuration conf1 = new Configuration();
Job job1 = new Job(conf1, "job1");
job1.setJarByClass(PVidConvert.class);
job1.setMapperClass(Map2.class);
job1.setReducerClass(Reduce2.class);
job1.setOutputKeyClass(Text.class);
job1.setOutputValueClass(Text.class);
FileInputFormat.addInputPath(job1, new Path("/tmp/temporary_execution/"));
FileOutputFormat.setOutputPath(job1, new Path(args[1]));
job1.waitForCompletion(true);
}
@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();
Job job1 = new Job(conf, "combine votes");
job1.setJarByClass(VoteCount.class);
job1.setMapperClass(MergeFilesMapper.class);
job1.setCombinerClass(MergedFilesReducer.class);
job1.setReducerClass(MergedFilesReducer.class);
job1.setOutputKeyClass(Text.class);
job1.setOutputValueClass(Text.class);
FileInputFormat.addInputPath(job1, new Path(args[0]));
FileOutputFormat.setOutputPath(job1, new Path(args[1] + "-tmp"));
job1.waitForCompletion(true);
Job job2 = new Job(conf, "votes count");
job2.setJarByClass(VoteCount.class);
job2.setMapperClass(CalculateVotesMapper.class);
job2.setCombinerClass(CalculateVotesReducer.class);
job2.setReducerClass(CalculateVotesReducer.class);
job2.setOutputKeyClass(Text.class);
job2.setOutputValueClass(IntWritable.class);
FileInputFormat.addInputPath(job2, new Path(args[1] + "-tmp"));
FileOutputFormat.setOutputPath(job2, new Path(args[1]));
System.exit(job2.waitForCompletion(true) ? 0 : 1);
}
public int run(String[] args) throws Exception {
Configuration conf = getConf();
GenericOptionsParser optionparser = new GenericOptionsParser(conf, args);
conf = optionparser.getConfiguration();
Job job = new Job(conf, conf.get("job_name"));
job.setJarByClass(DeliverFormatForUVMR.class);
FileInputFormat.addInputPaths(job, conf.get("input_dir"));
String outputDir = conf.get("output_dir");
String tmpDir = outputDir + "_tmp";
Path tmpOut = new Path(tmpDir);
FileOutputFormat.setOutputPath(job, tmpOut);
tmpOut.getFileSystem(conf).delete(tmpOut, true);
job.setMapperClass(DeliverFormatForUVMapper.class);
job.setCombinerClass(DeliverFormatForUVCombiner.class);
job.setReducerClass(DeliverFormatForUVReducer.class);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
job.setNumReduceTasks(conf.getInt("reduce_num", 20));
int code = job.waitForCompletion(true) ? 0 : 1;
if (code == 0) {
// this job is for combining small files into one
Job combineJob = new Job(conf, "CombineTmpData");
combineJob.setJarByClass(DeliverFormatForUVMR.class);
FileInputFormat.addInputPath(combineJob, new Path(tmpDir));
FileOutputFormat.setOutputPath(combineJob, new Path(outputDir));
combineJob.setMapperClass(IdentityMapper.class);
combineJob.setReducerClass(IdentityReducer.class);
combineJob.setInputFormatClass(KeyValueTextInputFormat.class);
combineJob.setOutputFormatClass(TextOutputFormat.class);
combineJob.setOutputKeyClass(Text.class);
combineJob.setOutputValueClass(Text.class);
TextOutputFormat.setCompressOutput(combineJob, true);
TextOutputFormat.setOutputCompressorClass(combineJob, LzopCodec.class);
combineJob.setNumReduceTasks(1);
code = combineJob.waitForCompletion(true) ? 0 : 1;
}
FileSystem.get(conf).delete(tmpOut, true);
LzoIndexer lzoIndexer = new LzoIndexer(conf);
lzoIndexer.index(new Path(outputDir));
System.exit(code);
return code;
}
static void configureIncrementalLoad(
Job job,
HTableDescriptor tableDescriptor,
RegionLocator regionLocator,
Class<? extends OutputFormat<?, ?>> cls)
throws IOException, UnsupportedEncodingException {
Configuration conf = job.getConfiguration();
job.setOutputKeyClass(ImmutableBytesWritable.class);
job.setOutputValueClass(KeyValue.class);
job.setOutputFormatClass(cls);
// Based on the configured map output class, set the correct reducer to properly
// sort the incoming values.
// TODO it would be nice to pick one or the other of these formats.
if (KeyValue.class.equals(job.getMapOutputValueClass())) {
job.setReducerClass(KeyValueSortReducer.class);
} else if (Put.class.equals(job.getMapOutputValueClass())) {
job.setReducerClass(PutSortReducer.class);
} else if (Text.class.equals(job.getMapOutputValueClass())) {
job.setReducerClass(TextSortReducer.class);
} else {
LOG.warn("Unknown map output value type:" + job.getMapOutputValueClass());
}
conf.setStrings(
"io.serializations",
conf.get("io.serializations"),
MutationSerialization.class.getName(),
ResultSerialization.class.getName(),
KeyValueSerialization.class.getName());
if (conf.getBoolean(LOCALITY_SENSITIVE_CONF_KEY, DEFAULT_LOCALITY_SENSITIVE)) {
// record this table name for creating writer by favored nodes
LOG.info("bulkload locality sensitive enabled");
conf.set(OUTPUT_TABLE_NAME_CONF_KEY, regionLocator.getName().getNameAsString());
}
// Use table's region boundaries for TOP split points.
LOG.info("Looking up current regions for table " + regionLocator.getName());
List<ImmutableBytesWritable> startKeys = getRegionStartKeys(regionLocator);
LOG.info(
"Configuring "
+ startKeys.size()
+ " reduce partitions "
+ "to match current region count");
job.setNumReduceTasks(startKeys.size());
configurePartitioner(job, startKeys);
// Set compression algorithms based on column families
configureCompression(conf, tableDescriptor);
configureBloomType(tableDescriptor, conf);
configureBlockSize(tableDescriptor, conf);
configureDataBlockEncoding(tableDescriptor, conf);
TableMapReduceUtil.addDependencyJars(job);
TableMapReduceUtil.initCredentials(job);
LOG.info("Incremental table " + regionLocator.getName() + " output configured.");
}
public int run(String[] args) throws Exception {
Configuration conf = getConf();
GenericOptionsParser gop = new GenericOptionsParser(conf, args);
conf = gop.getConfiguration();
Job job = new Job(conf, "ClientUserInstallMR");
job.setJarByClass(ClientUserInstallMR.class);
FileInputFormat.addInputPaths(job, conf.get("input_dir"));
String outputDir = conf.get("output_dir");
String tmpDir = outputDir + "_tmp";
Path tmpOutput = new Path(tmpDir);
FileOutputFormat.setOutputPath(job, tmpOutput);
tmpOutput.getFileSystem(conf).delete(tmpOutput, true);
job.setMapperClass(ClientUserInstallFirstMapper.class);
job.setReducerClass(ClientUserInstallFirstReduce.class);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
job.setNumReduceTasks(30);
int code = job.waitForCompletion(true) ? 0 : 1;
if (code == 0) {
Job secondJob = new Job(conf, "ClientUserInstallResult");
secondJob.setJarByClass(ClientUserInstallMR.class);
conf.set("stat_date", conf.get("stat_date"));
FileInputFormat.addInputPath(secondJob, new Path(tmpDir));
Path output = new Path(outputDir);
FileOutputFormat.setOutputPath(secondJob, output);
output.getFileSystem(conf).delete(output, true);
secondJob.setMapperClass(ClientUserInstallSecondMapper.class);
secondJob.setReducerClass(ClientUserInstallSecondReduce.class);
secondJob.setInputFormatClass(KeyValueTextInputFormat.class);
secondJob.setOutputFormatClass(TextOutputFormat.class);
secondJob.setOutputKeyClass(Text.class);
secondJob.setOutputValueClass(Text.class);
secondJob.setNumReduceTasks(1);
code = secondJob.waitForCompletion(true) ? 0 : 1;
}
FileSystem.get(conf).delete(tmpOutput, true);
System.exit(code);
return code;
}
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 {
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 int run(String[] args) throws Exception {
Configuration conf = getConf();
GenericOptionsParser gop = new GenericOptionsParser(conf, args);
conf = gop.getConfiguration();
Job job = new Job(conf, conf.get("job_name"));
FileInputFormat.addInputPaths(job, conf.get("input_dir"));
Path output = new Path(conf.get("output_dir"));
FileOutputFormat.setOutputPath(job, output);
output.getFileSystem(conf).delete(output, true);
job.setJarByClass(BrowerLogFormatMR.class);
job.setMapperClass(BrowerLogFormatMapper.class);
job.setReducerClass(BrowerLogFormatReducer.class);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
job.setNumReduceTasks(1);
int code = job.waitForCompletion(true) ? 0 : 1;
return code;
}
public static void main(String[] args) throws Exception {
Configuration conf = new Configuration();
int simpleCount = 0;
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
if (otherArgs.length != 2) {
System.err.println("Usage: wordcount <in> <out>");
System.exit(2);
}
double startTime = System.currentTimeMillis();
Job job = null;
while (simpleCount < numOfIterations) {
job = new Job(conf, "Fixed Iteration Experiment");
FileOutputFormat.setOutputPath(job, new Path(otherArgs[1] + simpleCount));
job.setJarByClass(Apriori.class);
job.setMapperClass(TokenizerMapper.class);
job.setCombinerClass(IntSumReducer.class);
job.setReducerClass(IntSumReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
job.waitForCompletion(true);
simpleCount++;
if (onlyLocalIteration) break;
}
org.apache.hadoop.mapreduce.Counter c =
job.getCounters().findCounter("Apriori$TotalSum", "STARTS_WITH_DIGIT");
if (onlyLocalIteration) System.out.print("Hybrid Iteration: ");
System.out.println(
"Total time: "
+ (System.currentTimeMillis() - startTime)
+ "ms"
+ " my count: "
+ c.getValue());
}
@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;
}
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);
}
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);
}
@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;
}
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;
}
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);
}
}
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");
}
@Override
public int run(String[] args) throws Exception {
if (args.length < 7) {
System.exit(-1);
}
Configuration conf = new Configuration();
Job job = Job.getInstance(conf, "OSM-Gridding");
job.setJarByClass(OSMGrid.class);
job.setOutputKeyClass(WritablePoint.class);
job.setOutputValueClass(LongWritable.class);
job.setMapperClass(OSMMapper.class);
job.setPartitionerClass(GridPartitioner.class);
job.setReducerClass(OSMReducer.class);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path(args[1]));
job.getConfiguration().set(OSMMapper.MINLAT, args[2]);
job.getConfiguration().set(OSMMapper.MINLON, args[3]);
job.getConfiguration().set(OSMMapper.MAXLAT, args[4]);
job.getConfiguration().set(OSMMapper.MAXLON, args[5]);
job.getConfiguration().set(OSMReducer.GRID, args[6]);
job.setNumReduceTasks(Integer.parseInt(args[6]) * Integer.parseInt(args[6]));
boolean succ = job.waitForCompletion(true);
return succ ? 0 : 1;
}
private static void StartingJob()
throws IOException, InterruptedException, ClassNotFoundException {
conf = new Configuration();
fs = FileSystem.get(conf);
conf.setLong("my.vertex.num", num);
job = Job.getInstance(conf, "Levelized Nested Dissection Starting");
job.setJarByClass(LevNestDissectJob.class);
job.setMapperClass(StartVertexMapper.class);
job.setReducerClass(StartVertexReducer.class);
in = out.suffix("/" + outPath_count);
FileInputFormat.addInputPath(job, in);
out_start = out.suffix("/" + outPath_start);
if (fs.exists(out_start)) {
fs.delete(out_start, true);
}
FileOutputFormat.setOutputPath(job, out_start);
job.setInputFormatClass(SequenceFileInputFormat.class);
job.setOutputFormatClass(SequenceFileOutputFormat.class);
job.setOutputKeyClass(LongWritable.class);
job.setOutputValueClass(VertexWritable.class);
job.setMapOutputValueClass(Text.class);
job.waitForCompletion(true);
depth = depth == 0 ? depth + 1 : depth;
wasStart = true;
}
@Override
public int run(String[] args) throws Exception {
Configuration conf = getConf();
conf.set("job.name", System.currentTimeMillis() + "/");
Properties configProps = loadJobProperties();
CacheUtils.addSerializableToCache(conf, randomDenseMapVector(100000), "inputVector");
Job job = new Job(conf, "matrix multiply");
job.setJarByClass(MatrixMultiplyJob.class);
job.setMapperClass(MatrixMultiplyMapper.class);
job.setReducerClass(MatrixMultiplyReducer.class);
job.setInputFormatClass(SequenceFileInputFormat.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(MapVectorWritableComparable.class);
job.setOutputFormatClass(SequenceFileOutputFormat.class);
String timestamp = new Date().toString().replace(' ', '_').replace(':', '_');
FileInputFormat.addInputPath(
job, new Path(configProps.getProperty("sparse.vector.output.path")));
FileOutputFormat.setOutputPath(
job, new Path(configProps.getProperty("dense.vector.output.path") + timestamp));
return job.waitForCompletion(true) ? 1 : -1;
}
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 Exception {
Configuration conf = new Configuration();
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
if (otherArgs.length < 2) {
System.err.println("Usage: RemoveDup <in> [<in>...] <out>");
System.exit(2);
}
// 删除输出目录(可选,省得多次运行时,总是报OUTPUT目录已存在)
// HDFSUtil.deleteFile(conf, otherArgs[otherArgs.length - 1]);
Job job = Job.getInstance(conf, "RemoveDup");
job.setJarByClass(RemoveDup.class);
job.setMapperClass(RemoveDupMapper.class);
job.setCombinerClass(RemoveDupReducer.class);
job.setReducerClass(RemoveDupReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(NullWritable.class);
for (int i = 0; i < otherArgs.length - 1; ++i) {
FileInputFormat.addInputPath(job, new Path(otherArgs[i]));
}
FileOutputFormat.setOutputPath(job, new Path(otherArgs[otherArgs.length - 1]));
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
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;
}
public static void main(String[] args) throws Exception {
String paths = "/user/cloudera/00";
String path1 = paths;
String path2 = "";
for (int i = 1; i <= 3; i++) {
System.out.println("Now exectuing the " + i + "-th job!");
Job job = new Job();
path2 = paths + i;
job.setJarByClass(PageRank.class);
job.setJobName("PageRank");
path2 = paths + i;
FileInputFormat.addInputPath(job, new Path(path1));
FileOutputFormat.setOutputPath(job, new Path(path2));
job.setMapperClass(PageRankMapper.class);
job.setReducerClass(PageRankReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
path1 = path2;
job.waitForCompletion(true);
}
// System.exit(job.waitForCompletion(true) ? 0 : 1);
}
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;
}
public static void main(String[] args) throws Exception {
sourcePhoto = "/home/hduser/workspace/images/source.jpg";
sourceFingerprint = SimilarImageSearch.produceFingerPrint(sourcePhoto);
final Configuration conf = new Configuration();
MongoConfigUtil.setInputURI(conf, "mongodb://localhost/photo.fingerprint");
MongoConfigUtil.setOutputURI(conf, "mongodb://localhost/photo.handsomeOut");
System.out.println("Conf: " + conf);
final Job job = new Job(conf, "similar photo");
job.setJarByClass(MdbSimilarPhoto.class);
// Mapper,Reduce and Combiner type definition
job.setMapperClass(PhotoMapper.class);
job.setCombinerClass(SimilarityReducer.class);
job.setReducerClass(SimilarityReducer.class);
// output key/value type definition
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(DoubleWritable.class);
// InputFormat and OutputFormat type definition
job.setInputFormatClass(MongoInputFormat.class);
job.setOutputFormatClass(MongoOutputFormat.class);
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
@Override
public int run(String[] args) throws Exception {
System.out.println("-------------Printing configuration-------------------");
Configuration conf = getConf();
for (Entry<String, String> entry : conf) {
System.out.printf("%s=%s\n", entry.getKey(), entry.getValue());
}
System.out.println("-------------Printing configuration done--------------");
Job job = JobBuilder.parseInputAndOutput(this, getConf(), args);
if (job == null) {
return -1;
}
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
job.setMapperClass(MaxTemperatureMapperWithCounters.class);
job.setCombinerClass(MaxTemperatureReducer.class);
job.setReducerClass(MaxTemperatureReducer.class);
return job.waitForCompletion(true) ? 0 : 1;
}
public static void main(String[] args) throws Exception {
Configuration conf = new Configuration();
String[] remainArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
if (remainArgs.length != 2) {
System.err.println("Usage: wordcount <input> <output>");
System.exit(1);
}
Job job = new Job(conf, "wordcount");
job.setJarByClass(WordCount.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
job.setMapperClass(Map.class);
job.setCombinerClass(Reduce.class);
job.setReducerClass(Reduce.class);
job.setNumReduceTasks(4);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
FileSystem.get(conf).delete(new Path(remainArgs[1]), true);
FileInputFormat.setInputPaths(job, new Path(remainArgs[0]));
FileOutputFormat.setOutputPath(job, new Path(remainArgs[1]));
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
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);
}