Package org.apache.hadoop.mapreduce

Examples of org.apache.hadoop.mapreduce.Job

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  }

  @Test
  public void testInitTableMapperJob4() throws Exception {
    Configuration configuration = new Configuration();
    Job job = new Job(configuration, "tableName");
    TableMapReduceUtil.initTableMapperJob(Bytes.toBytes("Table"), new Scan(),
        Import.Importer.class, Text.class, Text.class, job, false);
    assertEquals(TableInputFormat.class, job.getInputFormatClass());
    assertEquals(Import.Importer.class, job.getMapperClass());
    assertEquals(LongWritable.class, job.getOutputKeyClass());
    assertEquals(Text.class, job.getOutputValueClass());
    assertNull(job.getCombinerClass());
    assertEquals("Table", job.getConfiguration().get(TableInputFormat.INPUT_TABLE));
  }
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        HdfsDAO hdfs = new HdfsDAO(HDFS, conf);
        hdfs.rmr(input);
        hdfs.mkdirs(input);
        hdfs.copyFile(local_data, input);

        Job job = new Job(conf);
        job.setJarByClass(Purchase.class);

        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(IntWritable.class);

        job.setMapperClass(PurchaseMapper.class);
        job.setReducerClass(PurchaseReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input));
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);
    }
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        HdfsDAO hdfs = new HdfsDAO(HDFS, conf);
        hdfs.rmr(input);
        hdfs.mkdirs(input);
        hdfs.copyFile(local_data, input);

        Job job = new Job(conf);
        job.setJarByClass(Sell.class);

        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(IntWritable.class);

        job.setMapperClass(SellMapper.class);
        job.setReducerClass(SellReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input));
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);
    }
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        String output = path.get("Step5Output");

        HdfsDAO hdfs = new HdfsDAO(Recommend.HDFS, conf);
        hdfs.rmr(output);

        Job job = new Job(conf);
        job.setJarByClass(Step4_Update.class);

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

        job.setMapperClass(Step4_Update.Step4_PartialMultiplyMapper.class);
        job.setReducerClass(Step4_Update.Step4_AggregateReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input1), new Path(input2));
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);
    }
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        String output = path.get("Step6Output");

        HdfsDAO hdfs = new HdfsDAO(Recommend.HDFS, conf);
        hdfs.rmr(output);

        Job job = new Job(conf);
        job.setJarByClass(Step4_Update2.class);

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

        job.setMapperClass(Step4_Update2.Step4_RecommendMapper.class);
        job.setReducerClass(Step4_Update2.Step4_RecommendReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input));
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);
    }
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        hdfs.rmr(input);
        hdfs.mkdirs(input);
        hdfs.copyFile(path.get("m1"), input1);
        hdfs.copyFile(path.get("m2"), input2);

        Job job = new Job(conf);
        job.setJarByClass(MartrixMultiply.class);

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

        job.setMapperClass(MatrixMapper.class);
        job.setReducerClass(MatrixReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input1), new Path(input2));// 加载2个输入数据集
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);
    }
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        hdfs.rmr(input);
        hdfs.mkdirs(input);
        hdfs.copyFile(path.get("m1"), input1);
        hdfs.copyFile(path.get("m2"), input2);

        Job job = new Job(conf);
        job.setJarByClass(MartrixMultiply.class);

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

        job.setMapperClass(SparseMatrixMapper.class);
        job.setReducerClass(SparseMatrixReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input1), new Path(input2));// 加载2个输入数据集
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);
    }
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        String output = path.get("result");

        HdfsDAO hdfs = new HdfsDAO(PageRankJob.HDFS, conf);
        hdfs.rmr(output);

        Job job = new Job(conf);
        job.setJarByClass(Normal.class);

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

        job.setMapperClass(NormalMapper.class);
        job.setReducerClass(NormalReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input));
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);

    }
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        nums = Integer.parseInt(path.get("nums"));//页面数

        HdfsDAO hdfs = new HdfsDAO(PageRankJob.HDFS, conf);
        hdfs.rmr(output);

        Job job = new Job(conf);
        job.setJarByClass(PageRank.class);

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

        job.setMapperClass(PageRankMapper.class);
        job.setReducerClass(PageRankReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(input), new Path(pr));
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);

        hdfs.rmr(pr);
        hdfs.rename(output, pr);

    }
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        hdfs.mkdirs(input);
        hdfs.mkdirs(input_pr);
        hdfs.copyFile(page, input);
        hdfs.copyFile(pr, input_pr);

        Job job = new Job(conf);
        job.setJarByClass(AdjacencyMatrix.class);

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

        job.setMapperClass(AdjacencyMatrixMapper.class);
        job.setReducerClass(AdjacencyMatrixReducer.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setOutputFormatClass(TextOutputFormat.class);

        FileInputFormat.setInputPaths(job, new Path(page));
        FileOutputFormat.setOutputPath(job, new Path(output));

        job.waitForCompletion(true);
    }
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