Example usage for org.apache.hadoop.mapred JobConf setCompressMapOutput

Introduction

In this page you can find the example usage for org.apache.hadoop.mapred JobConf setCompressMapOutput.

Prototype

public void setCompressMapOutput(boolean compress) 

Source Link

Document

Should the map outputs be compressed before transfer?

Usage

From source file:org.sf.xrime.algorithms.clique.maximal.InducedNeighborhoodGenerate.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, InducedNeighborhoodGenerate.class);
    conf.setJobName("InducedNeighborhoodGenerate");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {//from   w w  w  .ja va  2  s  .  c  o m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.clique.maximal.StrongNeighborhoodGenerate.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, StrongNeighborhoodGenerate.class);
    conf.setJobName("StrongNeighborhoodGenerate");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {//from  w w  w .j  a v a 2  s .c  o m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.clique.maximal.WeakNeighborhoodGenerate.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, WeakNeighborhoodGenerate.class);
    conf.setJobName("WeakNeighborhoodGenerate");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {/*from   www  .  ja  va 2s.  co m*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.kcore.undirected.ElementRemoval.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    // Use the graph algorithm context to create a job configuration object.
    JobConf conf = new JobConf(context, ElementRemoval.class);
    conf.setJobName("ElementRemoval");

    // the keys are vertex identifiers (strings)
    conf.setOutputKeyClass(Text.class);
    // the values are vertexes (Writable)
    conf.setOutputValueClass(AdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // Combiner is permitted! But we don't use for now.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {//from  w w w  .  j a  v  a2  s  . c o  m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.layout.gfr.AttractiveForceDisp.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, AttractiveForceDisp.class);
    conf.setJobName("AttractiveForceDisp");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {//from  w w w.  j av  a 2 s . c  o  m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.layout.gfr.DisplacementSummarize.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, DisplacementSummarize.class);
    conf.setJobName("DisplacementSummarize");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {/*www.j  av a  2s . com*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

---

From source file:org.sf.xrime.algorithms.layout.gfr.RepulsiveForceDisp.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, RepulsiveForceDisp.class);
    conf.setJobName("RepulsiveForceDisp");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(LabeledAdjSetVertex.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted, since the logic of reducer depends on the completeness
    // of information.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Enable compression.
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {//from w  ww .j  a v a 2 s.  co m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.partitions.connected.bi.EdgeSetExpand.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, EdgeSetExpand.class);
    conf.setJobName("EdgeSetExpand");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(EdgeSet.class);
    conf.setMapperClass(MapClass.class);
    // No combiner is permitted. Or we may get wrong with labeling.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    // Two input pathes (link to lower and upper layers), one output pathes.
    try {//from w  ww.  j  a v a  2s . c  o m
        Path[] input_paths = new Path[2];
        FileInputFormat.setInputPaths(conf, getSource().getPaths().toArray(input_paths));
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());
    conf.setMapOutputCompressorClass(GzipCodec.class);
    conf.setCompressMapOutput(true);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.partitions.connected.bi.EdgeSetJoin.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, EdgeSetJoin.class);
    conf.setJobName("EdgeSetJoin");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(EdgeSet.class);
    conf.setMapperClass(MapClass.class);
    // Since this is a join operation, combiner is not permitted here.
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {/*from   w w w  .j a  v  a  2s  . co m*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());
    conf.setMapOutputCompressorClass(GzipCodec.class);
    conf.setCompressMapOutput(true);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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From source file:org.sf.xrime.algorithms.partitions.connected.bi.EdgeSetMinorExpand.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, EdgeSetMinorExpand.class);
    conf.setJobName("EdgeSetMinorExpand");

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(EdgeSet.class);
    conf.setMapperClass(MapClass.class);
    conf.setCombinerClass(ReduceClass.class);
    conf.setReducerClass(ReduceClass.class);
    // makes the file format suitable for machine processing.
    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);
    try {//from   w  ww  .  j  a v a2  s .  co m
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    conf.setNumReduceTasks(getReducerNum());
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);

    try {
        this.runningJob = JobClient.runJob(conf);
    } catch (IOException e) {
        throw new ProcessorExecutionException(e);
    }
}

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