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

Introduction

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

Prototype

public void setMapOutputCompressorClass(Class<? extends CompressionCodec> codecClass) 

Source Link

Document

Set the given class as the CompressionCodec for the map outputs.

Usage

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);//w w  w. j  a v a2 s .c  om
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {
        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);//from www .j  av  a 2  s .  co  m
    conf.setMapOutputCompressorClass(GzipCodec.class);
    try {
        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.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 ww w  .  j ava 2s  . com*/
        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);
    }
}

---

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 www  .  j  a  v a 2 s. com*/
        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);
    }
}

---

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  a  2  s. c om
        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);
    }
}

---

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

License:Apache License

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

    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(EdgeSet.class);
    conf.setMapperClass(MapClass.class);
    // Combiner is permitted here.
    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  ww w .  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());
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);

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

---

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

License:Apache License

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

    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  www.j  a  va  2 s . c om*/
        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);
    }
}

---

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

License:Apache License

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

    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);
    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());
    conf.setMapOutputCompressorClass(GzipCodec.class);
    conf.setCompressMapOutput(true);

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

---

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

License:Apache License

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

    // This is necessary.
    conf.setMapOutputKeyClass(Text.class);
    conf.setMapOutputValueClass(LabeledAdjSetVertex.class);
    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(Text.class);
    conf.setMapperClass(MapClass.class);
    // Since k2,v2 is different from k3,v3. No combiner is permitted.
    conf.setReducerClass(ReduceClass.class);
    // The format of input data is generated with WritableSerialization.
    conf.setInputFormat(SequenceFileInputFormat.class);
    try {/*from w  w w.ja v  a 2s  .c  o m*/
        FileInputFormat.setInputPaths(conf, getSource().getPath());
        FileOutputFormat.setOutputPath(conf, getDestination().getPath());
    } catch (IllegalAccessException e1) {
        throw new ProcessorExecutionException(e1);
    }
    conf.setNumMapTasks(getMapperNum());
    // Only one reducer is permitted, or the largest value will be wrong.
    conf.setNumReduceTasks(1);
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);

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

---

From source file:org.sf.xrime.algorithms.partitions.connected.bi.Tree2EdgeSet.java

License:Apache License

@Override
public void execute() throws ProcessorExecutionException {
    JobConf conf = new JobConf(context, Tree2EdgeSet.class);
    conf.setJobName("Tree2EdgeSet");

    conf.setMapOutputKeyClass(Text.class);
    conf.setMapOutputValueClass(PathAsVertexesList.class);
    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(EdgeSet.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);
    try {//from   w w w  . j  ava 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());
    conf.setCompressMapOutput(true);
    conf.setMapOutputCompressorClass(GzipCodec.class);

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

---

• «
• 1
• 2
• 3
• 4
• 5
• »