Package org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Examples of org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SampleOptimizer

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        }
       
        // Before optimizer visits, number of MR jobs = 3.
        assertEquals(3,count);  

        SampleOptimizer so = new SampleOptimizer(mrPlan, pc);
        so.visit();

        count = 1;
        mrOper = mrPlan.getRoots().get(0);
        while(mrPlan.getSuccessors(mrOper) != null) {
            mrOper = mrPlan.getSuccessors(mrOper).get(0);
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            ++count;
        }       
        // Before optimizer visits, number of MR jobs = 3.
        assertEquals(3,count);

        SampleOptimizer so = new SampleOptimizer(mrPlan, pc);
        so.visit();

        count = 1;
        mrOper = mrPlan.getRoots().get(0);
        while(mrPlan.getSuccessors(mrOper) != null) {
            mrOper = mrPlan.getSuccessors(mrOper).get(0);
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            ++count;
        }       
        // Before optimizer visits, number of MR jobs = 3.
        assertEquals(3,count);

        SampleOptimizer so = new SampleOptimizer(mrPlan, pc);
        so.visit();

        count = 1;
        mrOper = mrPlan.getRoots().get(0);
        while(mrPlan.getSuccessors(mrOper) != null) {
            mrOper = mrPlan.getSuccessors(mrOper).get(0);
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            ++count;
        }       
        // Before optimizer visits, number of MR jobs = 3.
        assertEquals(3,count);

        SampleOptimizer so = new SampleOptimizer(mrPlan, pc);
        so.visit();

        count = 1;
        mrOper = mrPlan.getRoots().get(0);
        // the first mrOper should be the sampling job - it's udf list should only
        // contain BinStorage
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Related Classes of org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SampleOptimizer

  • org.apache.hadoop.conf.Configuration
  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator
  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad
  • org.apache.pig.FuncSpec
  • org.apache.pig.impl.io.FileSpec
  • org.apache.pig.LoadFunc
  • org.apache.pig.test.TestSampleOptimizer
  • org.apache.pig.impl.plan.VisitorException
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