Example usage for org.apache.hadoop.mapred Counters getGroup

List of usage examples for org.apache.hadoop.mapred Counters getGroup

Introduction

In this page you can find the example usage for org.apache.hadoop.mapred Counters getGroup.

Prototype

public synchronized Group getGroup(String groupName) 

Source Link

Usage

From source file:MRDriver.java

License:Apache License

public int run(String args[]) throws Exception {
    FileSystem fs = null;//from ww w  .  ja  va2s  . c o m
    Path samplesMapPath = null;

    float epsilon = Float.parseFloat(args[0]);
    double delta = Double.parseDouble(args[1]);
    int minFreqPercent = Integer.parseInt(args[2]);
    int d = Integer.parseInt(args[3]);
    int datasetSize = Integer.parseInt(args[4]);
    int numSamples = Integer.parseInt(args[5]);
    double phi = Double.parseDouble(args[6]);
    Random rand;

    /************************ Job 1 (local FIM) Configuration ************************/

    JobConf conf = new JobConf(getConf());

    /*
     * Compute the number of required "votes" for an itemsets to be
     * declared frequent    
     */
    // The +1 at the end is needed to ensure reqApproxNum > numsamples / 2.
    int reqApproxNum = (int) Math
            .floor((numSamples * (1 - phi)) - Math.sqrt(numSamples * (1 - phi) * 2 * Math.log(1 / delta))) + 1;
    int sampleSize = (int) Math.ceil((2 / Math.pow(epsilon, 2)) * (d + Math.log(1 / phi)));
    //System.out.println("reducersNum: " + numSamples + " reqApproxNum: " + reqApproxNum);

    conf.setInt("PARMM.reducersNum", numSamples);
    conf.setInt("PARMM.datasetSize", datasetSize);
    conf.setInt("PARMM.minFreqPercent", minFreqPercent);
    conf.setInt("PARMM.sampleSize", sampleSize);
    conf.setFloat("PARMM.epsilon", epsilon);

    // Set the number of reducers equal to the number of samples, to
    // maximize parallelism. Required by our Partitioner.
    conf.setNumReduceTasks(numSamples);

    // XXX: why do we disable the speculative execution? MR
    conf.setBoolean("mapred.reduce.tasks.speculative.execution", false);
    conf.setInt("mapred.task.timeout", MR_TIMEOUT_MILLI);

    /* 
     * Enable compression of map output.
     *
     * We do it for this job and not for the aggregation one because
     * each mapper there only print out one record for each itemset,
     * so there isn't much to compress, I'd say. MR
     *
     * In Amazon MapReduce compression of the map output seems to be
     * happen by default and the Snappy codec is used, which is
     * extremely fast.
     */
    conf.setBoolean("mapred.compress.map.output", true);
    //conf.setMapOutputCompressorClass(com.hadoop.compression.lzo.LzoCodec.class);

    conf.setJarByClass(MRDriver.class);

    conf.setMapOutputKeyClass(IntWritable.class);
    conf.setMapOutputValueClass(Text.class);

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(DoubleWritable.class);

    conf.setInputFormat(SequenceFileInputFormat.class);
    // We write the collections found in a reducers as a SequenceFile 
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    SequenceFileOutputFormat.setOutputPath(conf, new Path(args[9]));

    // set the mapper class based on command line option
    switch (Integer.parseInt(args[7])) {
    case 1:
        System.out.println("running partition mapper...");
        SequenceFileInputFormat.addInputPath(conf, new Path(args[8]));
        conf.setMapperClass(PartitionMapper.class);
        break;
    case 2:
        System.out.println("running binomial mapper...");
        SequenceFileInputFormat.addInputPath(conf, new Path(args[8]));
        conf.setMapperClass(BinomialSamplerMapper.class);
        break;
    case 3:
        System.out.println("running coin mapper...");
        SequenceFileInputFormat.addInputPath(conf, new Path(args[8]));
        conf.setMapperClass(CoinFlipSamplerMapper.class);
    case 4:
        System.out.println("running sampler mapper...");
        SequenceFileInputFormat.addInputPath(conf, new Path(args[8]));
        conf.setMapperClass(InputSamplerMapper.class);

        // create a random sample of size T*m
        rand = new Random();
        long sampling_start_time = System.nanoTime();
        int[] samples = new int[numSamples * sampleSize];
        for (int i = 0; i < numSamples * sampleSize; i++) {
            samples[i] = rand.nextInt(datasetSize);
        }

        // for each key in the sample, create a list of all T samples to which this key belongs
        Hashtable<LongWritable, ArrayList<IntWritable>> hashTable = new Hashtable<LongWritable, ArrayList<IntWritable>>();
        for (int i = 0; i < numSamples * sampleSize; i++) {
            ArrayList<IntWritable> sampleIDs = null;
            LongWritable key = new LongWritable(samples[i]);
            if (hashTable.containsKey(key))
                sampleIDs = hashTable.get(key);
            else
                sampleIDs = new ArrayList<IntWritable>();
            sampleIDs.add(new IntWritable(i % numSamples));
            hashTable.put(key, sampleIDs);
        }

        /*
         * Convert the Hastable to a MapWritable which we will
         * write to HDFS and distribute to all Mappers using
         * DistributedCache
         */
        MapWritable map = new MapWritable();
        for (LongWritable key : hashTable.keySet()) {
            ArrayList<IntWritable> sampleIDs = hashTable.get(key);
            IntArrayWritable sampleIDsIAW = new IntArrayWritable();
            sampleIDsIAW.set(sampleIDs.toArray(new IntWritable[sampleIDs.size()]));
            map.put(key, sampleIDsIAW);
        }

        fs = FileSystem.get(URI.create("samplesMap.ser"), conf);
        samplesMapPath = new Path("samplesMap.ser");
        FSDataOutputStream out = fs.create(samplesMapPath, true);
        map.write(out);
        out.sync();
        out.close();
        DistributedCache.addCacheFile(new URI(fs.getWorkingDirectory() + "/samplesMap.ser#samplesMap.ser"),
                conf);
        // stop the sampling timer   
        long sampling_end_time = System.nanoTime();
        long sampling_runtime = (sampling_end_time - sampling_start_time) / 1000000;
        System.out.println("sampling runtime (milliseconds): " + sampling_runtime);
        break; // end switch case
    case 5:
        System.out.println("running random integer partition mapper...");
        conf.setInputFormat(WholeSplitInputFormat.class);
        Path inputFilePath = new Path(args[8]);
        WholeSplitInputFormat.addInputPath(conf, inputFilePath);
        conf.setMapperClass(RandIntPartSamplerMapper.class);
        // Compute number of map tasks.
        fs = inputFilePath.getFileSystem(conf);
        FileStatus inputFileStatus = fs.getFileStatus(inputFilePath);
        long len = inputFileStatus.getLen();
        long blockSize = inputFileStatus.getBlockSize();
        conf.setLong("mapred.min.split.size", blockSize);
        conf.setLong("mapred.max.split.size", blockSize);
        int mapTasksNum = ((int) (len / blockSize)) + 1;
        conf.setNumMapTasks(mapTasksNum);
        //System.out.println("len: " + len + " blockSize: " 
        //      + blockSize + " mapTasksNum: " + mapTasksNum);
        // Extract random integer partition of total sample
        // size into up to mapTasksNum partitions.
        // XXX I'm not sure this is a correct way to do
        // it.
        rand = new Random();
        IntWritable[][] toSampleArr = new IntWritable[mapTasksNum][numSamples];
        for (int j = 0; j < numSamples; j++) {
            IntWritable[] tempToSampleArr = new IntWritable[mapTasksNum];
            int sum = 0;
            int i;
            for (i = 0; i < mapTasksNum - 1; i++) {
                int size = rand.nextInt(sampleSize - sum);
                tempToSampleArr[i] = new IntWritable(size);
                sum += size;
                if (sum > numSamples * sampleSize) {
                    System.out.println("Something went wrong generating the sample Sizes");
                    System.exit(1);
                }
                if (sum == sampleSize) {
                    break;
                }
            }
            if (i == mapTasksNum - 1) {
                tempToSampleArr[i] = new IntWritable(sampleSize - sum);
            } else {
                for (; i < mapTasksNum; i++) {
                    tempToSampleArr[i] = new IntWritable(0);
                }
            }
            Collections.shuffle(Arrays.asList(tempToSampleArr));
            for (i = 0; i < mapTasksNum; i++) {
                toSampleArr[i][j] = tempToSampleArr[i];
            }
        }

        for (int i = 0; i < mapTasksNum; i++) {
            DefaultStringifier.storeArray(conf, toSampleArr[i], "PARMM.toSampleArr_" + i);
        }
        break;
    default:
        System.err.println("Wrong Mapper ID. Can only be in [1,5]");
        System.exit(1);
        break;
    }

    /*
     * We don't use the default hash partitioner because we want to
     * maximize the parallelism. That's why we also fix the number
     * of reducers.
     */
    conf.setPartitionerClass(FIMPartitioner.class);

    conf.setReducerClass(FIMReducer.class);

    /************************ Job 2 (aggregation) Configuration ************************/

    JobConf confAggr = new JobConf(getConf());

    confAggr.setInt("PARMM.reducersNum", numSamples);
    confAggr.setInt("PARMM.reqApproxNum", reqApproxNum);
    confAggr.setInt("PARMM.sampleSize", sampleSize);
    confAggr.setFloat("PARMM.epsilon", epsilon);

    // XXX: Why do we disable speculative execution? MR
    confAggr.setBoolean("mapred.reduce.tasks.speculative.execution", false);
    confAggr.setInt("mapred.task.timeout", MR_TIMEOUT_MILLI);

    confAggr.setJarByClass(MRDriver.class);

    confAggr.setMapOutputKeyClass(Text.class);
    confAggr.setMapOutputValueClass(DoubleWritable.class);

    confAggr.setOutputKeyClass(Text.class);
    confAggr.setOutputValueClass(Text.class);

    confAggr.setMapperClass(AggregateMapper.class);
    confAggr.setReducerClass(AggregateReducer.class);

    confAggr.setInputFormat(CombineSequenceFileInputFormat.class);
    SequenceFileInputFormat.addInputPath(confAggr, new Path(args[9]));

    FileOutputFormat.setOutputPath(confAggr, new Path(args[10]));

    long FIMjob_start_time = System.currentTimeMillis();
    RunningJob FIMjob = JobClient.runJob(conf);
    long FIMjob_end_time = System.currentTimeMillis();

    RunningJob aggregateJob = JobClient.runJob(confAggr);
    long aggrJob_end_time = System.currentTimeMillis();

    long FIMjob_runtime = FIMjob_end_time - FIMjob_start_time;

    long aggrJob_runtime = aggrJob_end_time - FIMjob_end_time;

    if (args[7].equals("4")) {
        // Remove samplesMap file 
        fs.delete(samplesMapPath, false);
    }

    Counters counters = FIMjob.getCounters();
    Counters.Group FIMMapperStartTimesCounters = counters.getGroup("FIMMapperStart");
    long[] FIMMapperStartTimes = new long[FIMMapperStartTimesCounters.size()];
    int i = 0;
    for (Counters.Counter counter : FIMMapperStartTimesCounters) {
        FIMMapperStartTimes[i++] = counter.getCounter();
    }

    Counters.Group FIMMapperEndTimesCounters = counters.getGroup("FIMMapperEnd");
    long[] FIMMapperEndTimes = new long[FIMMapperEndTimesCounters.size()];
    i = 0;
    for (Counters.Counter counter : FIMMapperEndTimesCounters) {
        FIMMapperEndTimes[i++] = counter.getCounter();
    }

    Counters.Group FIMReducerStartTimesCounters = counters.getGroup("FIMReducerStart");
    long[] FIMReducerStartTimes = new long[FIMReducerStartTimesCounters.size()];
    i = 0;
    for (Counters.Counter counter : FIMReducerStartTimesCounters) {
        FIMReducerStartTimes[i++] = counter.getCounter();
    }

    Counters.Group FIMReducerEndTimesCounters = counters.getGroup("FIMReducerEnd");
    long[] FIMReducerEndTimes = new long[FIMReducerEndTimesCounters.size()];
    i = 0;
    for (Counters.Counter counter : FIMReducerEndTimesCounters) {
        FIMReducerEndTimes[i++] = counter.getCounter();
    }

    Counters countersAggr = aggregateJob.getCounters();
    Counters.Group AggregateMapperStartTimesCounters = countersAggr.getGroup("AggregateMapperStart");
    long[] AggregateMapperStartTimes = new long[AggregateMapperStartTimesCounters.size()];
    i = 0;
    for (Counters.Counter counter : AggregateMapperStartTimesCounters) {
        AggregateMapperStartTimes[i++] = counter.getCounter();
    }

    Counters.Group AggregateMapperEndTimesCounters = countersAggr.getGroup("AggregateMapperEnd");
    long[] AggregateMapperEndTimes = new long[AggregateMapperEndTimesCounters.size()];
    i = 0;
    for (Counters.Counter counter : AggregateMapperEndTimesCounters) {
        AggregateMapperEndTimes[i++] = counter.getCounter();
    }

    Counters.Group AggregateReducerStartTimesCounters = countersAggr.getGroup("AggregateReducerStart");
    long[] AggregateReducerStartTimes = new long[AggregateReducerStartTimesCounters.size()];
    i = 0;
    for (Counters.Counter counter : AggregateReducerStartTimesCounters) {
        AggregateReducerStartTimes[i++] = counter.getCounter();
    }

    Counters.Group AggregateReducerEndTimesCounters = countersAggr.getGroup("AggregateReducerEnd");
    long[] AggregateReducerEndTimes = new long[AggregateReducerEndTimesCounters.size()];
    i = 0;
    for (Counters.Counter counter : AggregateReducerEndTimesCounters) {
        AggregateReducerEndTimes[i++] = counter.getCounter();
    }

    long FIMMapperStartMin = FIMMapperStartTimes[0];
    for (long l : FIMMapperStartTimes) {
        if (l < FIMMapperStartMin) {
            FIMMapperStartMin = l;
        }
    }
    long FIMMapperEndMax = FIMMapperEndTimes[0];
    for (long l : FIMMapperEndTimes) {
        if (l > FIMMapperEndMax) {
            FIMMapperEndMax = l;
        }
    }
    System.out.println("FIM job setup time (milliseconds): " + (FIMMapperStartMin - FIMjob_start_time));
    System.out.println("FIMMapper total runtime (milliseconds): " + (FIMMapperEndMax - FIMMapperStartMin));
    long[] FIMMapperRunTimes = new long[FIMMapperStartTimes.length];
    long FIMMapperRunTimesSum = 0;
    for (int l = 0; l < FIMMapperStartTimes.length; l++) {
        FIMMapperRunTimes[l] = FIMMapperEndTimes[l] - FIMMapperStartTimes[l];
        FIMMapperRunTimesSum += FIMMapperRunTimes[l];
    }
    System.out.println("FIMMapper average task runtime (milliseconds): "
            + FIMMapperRunTimesSum / FIMMapperStartTimes.length);
    long FIMMapperRunTimesMin = FIMMapperRunTimes[0];
    long FIMMapperRunTimesMax = FIMMapperRunTimes[0];
    for (long l : FIMMapperRunTimes) {
        if (l < FIMMapperRunTimesMin) {
            FIMMapperRunTimesMin = l;
        }
        if (l > FIMMapperRunTimesMax) {
            FIMMapperRunTimesMax = l;
        }
    }
    System.out.println("FIMMapper minimum task runtime (milliseconds): " + FIMMapperRunTimesMin);
    System.out.println("FIMMapper maximum task runtime (milliseconds): " + FIMMapperRunTimesMax);

    long FIMReducerStartMin = FIMReducerStartTimes[0];
    for (long l : FIMReducerStartTimes) {
        if (l < FIMReducerStartMin) {
            FIMReducerStartMin = l;
        }
    }
    long FIMReducerEndMax = FIMReducerEndTimes[0];
    for (long l : FIMReducerEndTimes) {
        if (l > FIMReducerEndMax) {
            FIMReducerEndMax = l;
        }
    }
    System.out
            .println("FIM job shuffle phase runtime (milliseconds): " + (FIMReducerStartMin - FIMMapperEndMax));
    System.out.println("FIMReducer total runtime (milliseconds): " + (FIMReducerEndMax - FIMReducerStartMin));
    long[] FIMReducerRunTimes = new long[FIMReducerStartTimes.length];
    long FIMReducerRunTimesSum = 0;
    for (int l = 0; l < FIMReducerStartTimes.length; l++) {
        FIMReducerRunTimes[l] = FIMReducerEndTimes[l] - FIMReducerStartTimes[l];
        FIMReducerRunTimesSum += FIMReducerRunTimes[l];
    }
    System.out.println("FIMReducer average task runtime (milliseconds): "
            + FIMReducerRunTimesSum / FIMReducerStartTimes.length);
    long FIMReducerRunTimesMin = FIMReducerRunTimes[0];
    long FIMReducerRunTimesMax = FIMReducerRunTimes[0];
    for (long l : FIMReducerRunTimes) {
        if (l < FIMReducerRunTimesMin) {
            FIMReducerRunTimesMin = l;
        }
        if (l > FIMReducerRunTimesMax) {
            FIMReducerRunTimesMax = l;
        }
    }
    System.out.println("FIMReducer minimum task runtime (milliseconds): " + FIMReducerRunTimesMin);
    System.out.println("FIMReducer maximum task runtime (milliseconds): " + FIMReducerRunTimesMax);
    System.out.println("FIM job cooldown time (milliseconds): " + (FIMjob_end_time - FIMReducerEndMax));

    long AggregateMapperStartMin = AggregateMapperStartTimes[0];
    for (long l : AggregateMapperStartTimes) {
        if (l < AggregateMapperStartMin) {
            AggregateMapperStartMin = l;
        }
    }
    long AggregateMapperEndMax = AggregateMapperEndTimes[0];
    for (long l : AggregateMapperEndTimes) {
        if (l > AggregateMapperEndMax) {
            AggregateMapperEndMax = l;
        }
    }
    System.out.println(
            "Aggregation job setup time (milliseconds): " + (AggregateMapperStartMin - FIMjob_end_time));
    System.out.println("AggregateMapper total runtime (milliseconds): "
            + (AggregateMapperEndMax - AggregateMapperStartMin));
    long[] AggregateMapperRunTimes = new long[AggregateMapperStartTimes.length];
    long AggregateMapperRunTimesSum = 0;
    for (int l = 0; l < AggregateMapperStartTimes.length; l++) {
        AggregateMapperRunTimes[l] = AggregateMapperEndTimes[l] - AggregateMapperStartTimes[l];
        AggregateMapperRunTimesSum += AggregateMapperRunTimes[l];
    }
    System.out.println("AggregateMapper average task runtime (milliseconds): "
            + AggregateMapperRunTimesSum / AggregateMapperStartTimes.length);
    long AggregateMapperRunTimesMin = AggregateMapperRunTimes[0];
    long AggregateMapperRunTimesMax = AggregateMapperRunTimes[0];
    for (long l : AggregateMapperRunTimes) {
        if (l < AggregateMapperRunTimesMin) {
            AggregateMapperRunTimesMin = l;
        }
        if (l > AggregateMapperRunTimesMax) {
            AggregateMapperRunTimesMax = l;
        }
    }
    System.out.println("AggregateMapper minimum task runtime (milliseconds): " + AggregateMapperRunTimesMin);
    System.out.println("AggregateMapper maximum task runtime (milliseconds): " + AggregateMapperRunTimesMax);

    long AggregateReducerStartMin = AggregateReducerStartTimes[0];
    for (long l : AggregateReducerStartTimes) {
        if (l < AggregateReducerStartMin) {
            AggregateReducerStartMin = l;
        }
    }
    long AggregateReducerEndMax = AggregateReducerEndTimes[0];
    for (long l : AggregateReducerEndTimes) {
        if (l > AggregateReducerEndMax) {
            AggregateReducerEndMax = l;
        }
    }
    System.out.println("Aggregate job round shuffle phase runtime (milliseconds): "
            + (AggregateReducerStartMin - AggregateMapperEndMax));
    System.out.println("AggregateReducer total runtime (milliseconds): "
            + (AggregateReducerEndMax - AggregateReducerStartMin));
    long[] AggregateReducerRunTimes = new long[AggregateReducerStartTimes.length];
    long AggregateReducerRunTimesSum = 0;
    for (int l = 0; l < AggregateReducerStartTimes.length; l++) {
        AggregateReducerRunTimes[l] = AggregateReducerEndTimes[l] - AggregateReducerStartTimes[l];
        AggregateReducerRunTimesSum += AggregateReducerRunTimes[l];
    }
    System.out.println("AggregateReducer average task runtime (milliseconds): "
            + AggregateReducerRunTimesSum / AggregateReducerStartTimes.length);
    long AggregateReducerRunTimesMin = AggregateReducerRunTimes[0];
    long AggregateReducerRunTimesMax = AggregateReducerRunTimes[0];
    for (long l : AggregateReducerRunTimes) {
        if (l < AggregateReducerRunTimesMin) {
            AggregateReducerRunTimesMin = l;
        }
        if (l > AggregateReducerRunTimesMax) {
            AggregateReducerRunTimesMax = l;
        }
    }
    System.out.println("AggregateReducer minimum task runtime (milliseconds): " + AggregateReducerRunTimesMin);
    System.out.println("AggregateReducer maximum task runtime (milliseconds): " + AggregateReducerRunTimesMax);

    System.out.println(
            "Aggregation job cooldown time (milliseconds): " + (aggrJob_end_time - AggregateReducerEndMax));

    System.out
            .println("total runtime (all inclusive) (milliseconds): " + (aggrJob_end_time - FIMjob_start_time));
    System.out.println("total runtime (no FIM job setup, no aggregation job cooldown) (milliseconds): "
            + (AggregateReducerEndMax - FIMMapperStartMin));
    System.out.println("total runtime (no setups, no cooldowns) (milliseconds): "
            + (FIMReducerEndMax - FIMMapperStartMin + AggregateReducerEndMax - AggregateMapperStartMin));
    System.out.println("FIM job runtime (including setup and cooldown) (milliseconds): " + FIMjob_runtime);
    System.out.println("FIM job runtime (no setup, no cooldown) (milliseconds): "
            + (FIMReducerEndMax - FIMMapperStartMin));
    System.out.println(
            "Aggregation job runtime (including setup and cooldown) (milliseconds): " + aggrJob_runtime);
    System.out.println("Aggregation job runtime (no setup, no cooldown) (milliseconds): "
            + (AggregateReducerEndMax - AggregateMapperStartMin));

    return 0;
}

From source file:azkaban.jobtype.javautils.AbstractHadoopJob.java

License:Apache License

public void run() throws Exception {
    JobConf conf = getJobConf();//from  www  .j av a2 s.co  m

    if (System.getenv(HADOOP_TOKEN_FILE_LOCATION) != null) {
        conf.set(MAPREDUCE_JOB_CREDENTIALS_BINARY, System.getenv(HADOOP_TOKEN_FILE_LOCATION));
    }

    jobClient = new JobClient(conf);
    runningJob = jobClient.submitJob(conf);
    logger.info("See " + runningJob.getTrackingURL() + " for details.");
    jobClient.monitorAndPrintJob(conf, runningJob);

    if (!runningJob.isSuccessful()) {
        throw new Exception("Hadoop job:" + getJobName() + " failed!");
    }

    // dump all counters
    Counters counters = runningJob.getCounters();
    for (String groupName : counters.getGroupNames()) {
        Counters.Group group = counters.getGroup(groupName);
        logger.info("Group: " + group.getDisplayName());
        for (Counter counter : group)
            logger.info(counter.getDisplayName() + ":\t" + counter.getValue());
    }
    updateMapReduceJobState(conf);
}

From source file:azkaban.jobtype.StatsUtils.java

License:Apache License

public static Object countersToJson(Counters counters) {
    Map<String, Object> jsonObj = new HashMap<String, Object>();

    if (counters == null) {
        return jsonObj;
    }/*from  www  .  ja va 2s .  c o m*/

    Collection<String> counterGroups = counters.getGroupNames();
    for (String groupName : counterGroups) {
        Map<String, String> counterStats = new HashMap<String, String>();
        Group group = counters.getGroup(groupName);
        Iterator<Counters.Counter> it = group.iterator();
        while (it.hasNext()) {
            Counter counter = it.next();
            counterStats.put(counter.getDisplayName(), String.valueOf(counter.getCounter()));
        }
        jsonObj.put(groupName, counterStats);
    }
    return jsonObj;
}

From source file:cascading.flow.hadoop.HadoopStepStats.java

License:Open Source License

@Override
public Collection<String> getCountersFor(String group) {
    try {// www.  ja  v a 2s .c  o  m
        RunningJob runningJob = getRunningJob();

        if (runningJob == null)
            return Collections.emptySet();

        Counters counters = runningJob.getCounters();

        if (counters == null)
            return Collections.emptySet();

        Set<String> results = new HashSet<String>();

        for (Counters.Counter counter : counters.getGroup(group))
            results.add(counter.getName());

        return Collections.unmodifiableCollection(results);
    } catch (IOException exception) {
        throw new FlowException("unable to get remote counter groups");
    }
}

From source file:cascading.flow.hadoop.HadoopStepStats.java

License:Open Source License

@Override
public long getCounterValue(String group, String counter) {
    try {/*from  ww w  . j  a  v  a 2 s . c o  m*/
        RunningJob runningJob = getRunningJob();

        if (runningJob == null)
            return 0;

        Counters counters = runningJob.getCounters();

        if (counters == null)
            return 0;

        Counters.Group counterGroup = counters.getGroup(group);

        if (group == null)
            return 0;

        return counterGroup.getCounter(counter);
    } catch (IOException exception) {
        throw new FlowException("unable to get remote counter values");
    }
}

From source file:co.cask.cdap.app.mapreduce.MRJobClient.java

License:Apache License

/**
 * @param runId for which information will be returned.
 * @return a {@link MRJobInfo} containing information about a particular MapReduce program run.
 * @throws IOException if there is failure to communicate through the JobClient.
 * @throws NotFoundException if a Job with the given runId is not found.
 *///w  w  w .j  a v  a2 s  .com
public MRJobInfo getMRJobInfo(Id.Run runId) throws IOException, NotFoundException {
    Preconditions.checkArgument(ProgramType.MAPREDUCE.equals(runId.getProgram().getType()));

    JobClient jobClient = new JobClient(hConf);
    JobStatus[] jobs = jobClient.getAllJobs();

    JobStatus thisJob = findJobForRunId(jobs, runId);

    RunningJob runningJob = jobClient.getJob(thisJob.getJobID());
    if (runningJob == null) {
        throw new IllegalStateException(String.format("JobClient returned null for RunId: '%s', JobId: '%s'",
                runId, thisJob.getJobID()));
    }
    Counters counters = runningJob.getCounters();

    TaskReport[] mapTaskReports = jobClient.getMapTaskReports(thisJob.getJobID());
    TaskReport[] reduceTaskReports = jobClient.getReduceTaskReports(thisJob.getJobID());

    return new MRJobInfo(runningJob.mapProgress(), runningJob.reduceProgress(),
            groupToMap(counters.getGroup(TaskCounter.class.getName())), toMRTaskInfos(mapTaskReports),
            toMRTaskInfos(reduceTaskReports), true);
}

From source file:com.netflix.lipstick.warnings.JobWarnings.java

License:Apache License

public long numOutputRecordsFromCounters(JobStats jobStats, String jobId) {
    JobClient jobClient = PigStats.get().getJobClient();
    Counters counters;
    try {//from w w  w  . ja  va 2s .  com
        RunningJob rj = jobClient.getJob(jobId);
        counters = rj.getCounters();
    } catch (IOException e) {
        log.error("Error getting job client, continuing", e);
        return 1;
    }

    Group fsGroup = counters.getGroup("FileSystemCounters");
    long hdfsBytes = fsGroup.getCounter("HDFS_BYTES_WRITTEN");
    long s3Bytes = fsGroup.getCounter("S3N_BYTES_WRITTEN");
    return hdfsBytes + s3Bytes;
}

From source file:com.netflix.lipstick.warnings.JobWarnings.java

License:Apache License

public boolean countersShowRecordsWritten(JobStats jobStats, String jobId) {
    JobClient jobClient = PigStats.get().getJobClient();
    Counters counters;
    try {/*from  w  w  w.  ja v a  2  s  .c  om*/
        RunningJob rj = jobClient.getJob(jobId);
        counters = rj.getCounters();
    } catch (IOException e) {
        log.error("Error getting job client, continuing", e);
        return true;
    }

    Group fsGroup = counters.getGroup("FileSystemCounters");
    long hdfsBytes = fsGroup.getCounter("HDFS_BYTES_WRITTEN");
    long s3Bytes = fsGroup.getCounter("S3N_BYTES_WRITTEN");
    log.info(String.format("Total of %s bytes were written by this m/r job", (hdfsBytes + s3Bytes)));
    if ((0 == s3Bytes) && (HDFS_DIRECTORY_SIZE == hdfsBytes)) {
        log.info("No s3 output and empty HDFS directory created");
        return false;
    } else {
        return (0 < (hdfsBytes + s3Bytes));
    }
}

From source file:com.twitter.pig.backend.hadoop.executionengine.tez.TezJobControlCompiler.java

License:Apache License

/**
 * Reads the global counters produced by a job on the group labeled with PIG_MAP_RANK_NAME.
 * Then, it is calculated the cumulative sum, which consists on the sum of previous cumulative
 * sum plus the previous global counter value.
 * @param job with the global counters collected.
 * @param operationID After being collected on global counters (POCounter),
 * these values are passed via configuration file to PORank, by using the unique
 * operation identifier//  w w w .  j  av  a  2 s  .c o m
 */
private void saveCounters(Job job, String operationID) {
    Counters counters;
    Group groupCounters;

    Long previousValue = 0L;
    Long previousSum = 0L;
    ArrayList<Pair<String, Long>> counterPairs;

    try {
        counters = HadoopShims.getCounters(job);
        groupCounters = counters.getGroup(getGroupName(counters.getGroupNames()));

        Iterator<Counter> it = groupCounters.iterator();
        HashMap<Integer, Long> counterList = new HashMap<Integer, Long>();

        while (it.hasNext()) {
            try {
                Counter c = it.next();
                counterList.put(Integer.valueOf(c.getDisplayName()), c.getValue());
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
        counterSize = counterList.size();
        counterPairs = new ArrayList<Pair<String, Long>>();

        for (int i = 0; i < counterSize; i++) {
            previousSum += previousValue;
            previousValue = counterList.get(Integer.valueOf(i));
            counterPairs.add(new Pair<String, Long>(TezJobControlCompiler.PIG_MAP_COUNTER + operationID
                    + TezJobControlCompiler.PIG_MAP_SEPARATOR + i, previousSum));
        }

        globalCounters.put(operationID, counterPairs);

    } catch (Exception e) {
        String msg = "Error to read counters into Rank operation counterSize " + counterSize;
        throw new RuntimeException(msg, e);
    }
}

From source file:nl.tudelft.graphalytics.mapreducev2.evo.DirectedForestFireModelJob.java

License:Apache License

@Override
protected void processJobOutput(RunningJob jobExecution) throws IOException {
    Counters counters = jobExecution.getCounters();
    Counters.Group burned = counters.getGroup(ForestFireModelUtils.NEW_VERTICES);
    burnedEdges.clear(); // clean previous iteration data
    for (Counters.Counter counter : burned) {
        String data[] = counter.getName().split(",");
        String newVertex = data[0];
        LongWritable newVertexLong = new LongWritable(Long.parseLong(newVertex));
        String ambassador = data[1];
        LongWritable ambassadorLong = new LongWritable(Long.parseLong(ambassador));

        List<LongWritable> ambassadors = (burnedEdges.containsKey(newVertexLong)
                ? burnedEdges.get(newVertexLong)
                : new ArrayList<LongWritable>());
        ambassadors.add(ambassadorLong);
        burnedEdges.put(newVertexLong, ambassadors);
    }/*w w  w . j  ava 2 s.  c  o m*/

    System.out.println("\n************************************");
    System.out.println("* FFM Hoops " + getIteration() + " FINISHED *");
    System.out.println("************************************\n");
}