Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.SequenceFileInputFormat

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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        InputSplit[] splits = format.getSplits(job, numSplits);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(splits[j], job, Reporter.NULL);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              assertFalse("Key in multiple partitions.", bits.get(key.getData()));
              bits.set(key.getData());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        InputSplit[] splits = format.getSplits(job, numSplits);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              assertFalse("Key in multiple partitions.", bits.get(key.getData()));
              bits.set(key.getData());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        //LOG.info("splitting: requesting = " + numSplits);
        InputSplit[] splits = format.getSplits(job, numSplits);
        //LOG.info("splitting: got =        " + splits.length);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              // if (bits.get(key.get())) {
              // LOG.info("splits["+j+"]="+splits[j]+" : " + key.get());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        //LOG.info("splitting: requesting = " + numSplits);
        FileSplit[] splits = format.getSplits(fs, job, numSplits);
        //LOG.info("splitting: got =        " + splits.length);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(fs, splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              // if (bits.get(key.get())) {
              // LOG.info("splits["+j+"]="+splits[j]+" : " + key.get());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        InputSplit[] splits = format.getSplits(job, numSplits);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              assertFalse("Key in multiple partitions.", bits.get(key.getData()));
              bits.set(key.getData());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        //LOG.info("splitting: requesting = " + numSplits);
        FileSplit[] splits = format.getSplits(fs, job, numSplits);
        //LOG.info("splitting: got =        " + splits.length);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(fs, splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              // if (bits.get(key.get())) {
              // LOG.info("splits["+j+"]="+splits[j]+" : " + key.get());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        //LOG.info("splitting: requesting = " + numSplits);
        FileSplit[] splits = format.getSplits(fs, job, numSplits);
        //LOG.info("splitting: got =        " + splits.length);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(fs, splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              // if (bits.get(key.get())) {
              // LOG.info("splits["+j+"]="+splits[j]+" : " + key.get());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        //LOG.info("splitting: requesting = " + numSplits);
        FileSplit[] splits = format.getSplits(fs, job, numSplits);
        //LOG.info("splitting: got =        " + splits.length);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(fs, splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              // if (bits.get(key.get())) {
              // LOG.info("splits["+j+"]="+splits[j]+" : " + key.get());
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      } finally {
        writer.close();
      }

      // try splitting the file in a variety of sizes
      InputFormat format = new SequenceFileInputFormat();
      RecInt key = new RecInt();
      RecBuffer value = new RecBuffer();
      for (int i = 0; i < 3; i++) {
        int numSplits =
          random.nextInt(MAX_LENGTH/(SequenceFile.SYNC_INTERVAL/20))+1;
        //LOG.info("splitting: requesting = " + numSplits);
        FileSplit[] splits = format.getSplits(fs, job, numSplits);
        //LOG.info("splitting: got =        " + splits.length);

        // check each split
        BitSet bits = new BitSet(length);
        for (int j = 0; j < splits.length; j++) {
          RecordReader reader =
            format.getRecordReader(fs, splits[j], job, reporter);
          try {
            int count = 0;
            while (reader.next(key, value)) {
              // if (bits.get(key.get())) {
              // LOG.info("splits["+j+"]="+splits[j]+" : " + key.get());
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Related Classes of org.apache.hadoop.mapred.SequenceFileInputFormat

  • org.apache.hadoop.fs.FileStatus
  • org.apache.hadoop.fs.FileSystem
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.record.test.TestWritable
  • org.apache.hadoop.record.TestRecordWritable
  • java.io.File
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