Package org.apache.pig.tools.pigstats.mapreduce

Examples of org.apache.pig.tools.pigstats.mapreduce.MRJobStats

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        System.out.println("============================================");

        JobGraph jp = pigStats.getJobGraph();
        Iterator<JobStats> iter = jp.iterator();
        while (iter.hasNext()) {
            MRJobStats js = (MRJobStats) iter.next();
            System.out.println("Map input records : " + js.getMapInputRecords());
            assertEquals(MAX, js.getMapInputRecords());
            System.out.println("Map output records : " + js.getMapOutputRecords());
            assertEquals(MAX, js.getMapOutputRecords());
            System.out.println("Reduce input records : " + js.getReduceInputRecords());
            assertEquals(MAX, js.getReduceInputRecords());
            System.out.println("Reduce output records : " + js.getReduceOutputRecords());
            assertEquals(count, js.getReduceOutputRecords());
        }
        System.out.println("Hdfs bytes written : " + pigStats.getBytesWritten());
        assertEquals(filesize, pigStats.getBytesWritten());
    }
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        System.out.println("============================================");

        JobGraph jp = pigStats.getJobGraph();
        Iterator<JobStats> iter = jp.iterator();
        while (iter.hasNext()) {
            MRJobStats js = (MRJobStats) iter.next();
            System.out.println("Map input records : " + js.getMapInputRecords());
            assertEquals(MAX, js.getMapInputRecords());
            System.out.println("Map output records : " + js.getMapOutputRecords());
            assertEquals(MAX, js.getMapOutputRecords());
            System.out.println("Reduce input records : " + js.getReduceInputRecords());
            assertEquals(MAX, js.getReduceInputRecords());
            System.out.println("Reduce output records : " + js.getReduceOutputRecords());
            assertEquals(count, js.getReduceOutputRecords());
        }
        System.out.println("Hdfs bytes written : " + pigStats.getBytesWritten());
        assertEquals(filesize, pigStats.getBytesWritten());
    }
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        System.out.println("============================================");
       
        JobGraph jp = pigStats.getJobGraph();
        Iterator<JobStats> iter = jp.iterator();
        while (iter.hasNext()) {
            MRJobStats js = (MRJobStats) iter.next();
            System.out.println("Map input records : " + js.getMapInputRecords());
            assertEquals(MAX, js.getMapInputRecords());
            System.out.println("Map output records : " + js.getMapOutputRecords());
            assertEquals(MAX, js.getMapOutputRecords());
            System.out.println("Reduce input records : " + js.getReduceInputRecords());
            assertEquals(count, js.getReduceInputRecords());
            System.out.println("Reduce output records : " + js.getReduceOutputRecords());
            assertEquals(count, js.getReduceOutputRecords());
        }
        System.out.println("Hdfs bytes written : " + pigStats.getBytesWritten());
        assertEquals(filesize, pigStats.getBytesWritten());
    }
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        System.out.println("============================================");
        JobGraph jp = pigStats.getJobGraph();
        Iterator<JobStats> iter = jp.iterator();
        while (iter.hasNext()) {
            MRJobStats js = (MRJobStats) iter.next();
            System.out.println("Map input records : " + js.getMapInputRecords());
            assertEquals(MAX, js.getMapInputRecords());
            System.out.println("Map output records : " + js.getMapOutputRecords());
            assertEquals(MAX, js.getMapOutputRecords());
            System.out.println("Reduce input records : " + js.getReduceInputRecords());
            assertEquals(count, js.getReduceInputRecords());
            System.out.println("Reduce output records : " + js.getReduceOutputRecords());
            assertEquals(count, js.getReduceOutputRecords());
        }
        System.out.println("Hdfs bytes written : " + pigStats.getBytesWritten());
        assertEquals(filesize, pigStats.getBytesWritten());
    }
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        System.out.println("============================================");
        System.out.println("Test case MultipleMRJobs");
        System.out.println("============================================");
       
        JobGraph jp = pigStats.getJobGraph();
        MRJobStats js = (MRJobStats)jp.getSinks().get(0);
       
        System.out.println("Job id: " + js.getName());
        System.out.println(jp.toString());
       
        System.out.println("Map input records : " + js.getMapInputRecords());
        assertEquals(MAX, js.getMapInputRecords());
        System.out.println("Map output records : " + js.getMapOutputRecords());
        assertEquals(MAX, js.getMapOutputRecords());
        System.out.println("Reduce input records : " + js.getReduceInputRecords());
        assertEquals(count, js.getReduceInputRecords());
        System.out.println("Reduce output records : " + js.getReduceOutputRecords());
        assertEquals(count, js.getReduceOutputRecords());
       
        System.out.println("Hdfs bytes written : " + js.getHdfsBytesWritten());
        assertEquals(filesize, js.getHdfsBytesWritten());

    }
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        cluster.getFileSystem().delete(new Path(file), true);
        cluster.getFileSystem().delete(new Path("/tmp/outout1"), true);
        cluster.getFileSystem().delete(new Path("/tmp/outout2"), true);

        MRJobStats js = (MRJobStats)stats.getJobGraph().getSinks().get(0);
       
        Map<String, Long> entry = js.getMultiStoreCounters();
        long counter = 0;
        for (Long val : entry.values()) {
            counter += val;
        }
       
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        cluster.getFileSystem().delete(new Path(file), true);
        cluster.getFileSystem().delete(new Path("/tmp/outout1"), true);
        cluster.getFileSystem().delete(new Path("/tmp/outout2"), true);

        MRJobStats js = (MRJobStats)stats.getJobGraph().getSinks().get(0);
       
        Map<String, Long> entry = js.getMultiStoreCounters();
        long counter = 0;
        for (Long val : entry.values()) {
            counter += val;
        }
       
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            PigStats stats = PigRunner.run(args, null);

            assertTrue(stats.isSuccessful());

            // get the skew-join job stat
            MRJobStats js = (MRJobStats) stats.getJobGraph().getSinks().get(0);
            assertEquals(actual_parallel, js.getNumberReduces());

            // estimation should only kick in if parallel and default_parallel are not set
            long estimatedReducers = -1;
            if (parallel < 1 && default_parallel < 1) {
                double fileSize = (double)(new File("test/org/apache/pig/test/data/passwd").length());
                int inputFiles = js.getInputs().size();
                estimatedReducers = Math.min((long)Math.ceil(fileSize/(double)bytes_per_reducer) * inputFiles, 999);
            }

            Util.assertParallelValues(default_parallel, parallel, estimatedReducers,
                    actual_parallel, js.getInputs().get(0).getConf());

        } catch (Exception e) {
            assertNull("Exception thrown during verifySkewJoin", e);
        } finally {
            new File(PIG_FILE).delete();
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            }

            JobGraph jGraph = PigStats.get().getJobGraph();
            assertEquals(3, jGraph.size());
            // find added map-only concatenate job
            MRJobStats js = (MRJobStats)jGraph.getSuccessors(jGraph.getSources().get(0)).get(0);
            assertEquals(1, js.getNumberMaps());
            assertEquals(0, js.getNumberReduces());
        }
        {
            pigServer.getPigContext().getProperties().setProperty(
                    "pig.noSplitCombination", "true");
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            }

            JobGraph jGraph = PigStats.get().getJobGraph();
            assertEquals(3, jGraph.size());
            // find added map-only concatenate job
            MRJobStats js = (MRJobStats)jGraph.getSuccessors(jGraph.getSources().get(0)).get(0);
            assertEquals(1, js.getNumberMaps());
            assertEquals(0, js.getNumberReduces());
            Util.checkLogFileMessage(logFile,
                    new String[] {"number of input files: 0", "failed to get number of input files"},
                    false
            );
        }
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Related Classes of org.apache.pig.tools.pigstats.mapreduce.MRJobStats

  • org.apache.hadoop.mapred.Counters.Counter
  • org.apache.hadoop.mapred.TaskReport
  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore
  • org.apache.pig.impl.io.FileSpec
  • org.apache.pig.test.TestCounters
  • org.apache.pig.test.TestEmptyInputDir
  • org.apache.pig.test.TestFRJoin2
  • org.apache.pig.test.TestGroupConstParallel
  • org.apache.pig.test.TestGroupConstParallelMR
  • org.apache.pig.test.TestMRJobStats
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