Examples of org.apache.pig.tools.pigstats.JobStats

org.apache.pig.tools.pigstats.JobStats
This class encapsulates the runtime statistics of a MapReduce job. Job statistics is collected when job is completed.

            return jobs;
        }
        JobGraph jGraph = stats.getJobGraph();
        Iterator<JobStats> iter = jGraph.iterator();
        while (iter.hasNext()) {
            JobStats js = iter.next();
            for (OutputStats output : js.getOutputs()) {
                if (js.isSuccessful()) {
                    jobs.add(new HJob(HJob.JOB_STATUS.COMPLETED, pigContext, output
                            .getPOStore(), output.getAlias(), stats));
                } else {
                    HJob hjob = new HJob(HJob.JOB_STATUS.FAILED, pigContext, output
                            .getPOStore(), output.getAlias(), stats);
                    hjob.setException(js.getException());
                    jobs.add(hjob);
                }
            }
        }
        return jobs;

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                mPigServer.executeBatch();
                PigStats stats = PigStats.get();
                JobGraph jg = stats.getJobGraph();
                Iterator<JobStats> iter = jg.iterator();
                while (iter.hasNext()) {
                    JobStats js = iter.next();
                    if (!js.isSuccessful()) {
                        mNumFailedJobs++;
                        Exception exp = (js.getException() != null) ? js.getException()
                                : new ExecException(
                                        "Job " + (js.getJobId() == null ? "" : js.getJobId() + " ") +
                                        "failed, hadoop does not return any error message",
                                        2244);
                        LogUtils.writeLog(exp,
                                mPigServer.getPigContext().getProperties().getProperty("pig.logfile"),
                                log,

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            return;
        }
        // PigStats maintains a job DAG with the job id being updated
        // upon available. Therefore, before a job is submitted, the ids
        // of its parent jobs are already available.
        JobStats js = ((TezPigScriptStats)PigStats.get()).getVertexStats(dagName, tezOp.getOperatorKey().toString());
        if (js != null) {
            List<Operator> preds = js.getPlan().getPredecessors(js);
            if (preds != null) {
                StringBuilder sb = new StringBuilder();
                for (Operator op : preds) {
                    JobStats job = (JobStats)op;
                    if (sb.length() > 0) sb.append(",");
                    sb.append(job.getJobId());
                }
                conf.set(PIG_PROPERTY.JOB_PARENTS.toString(), sb.toString());
            }
        }
    }

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                mPigServer.executeBatch();
                PigStats stats = PigStats.get();
                JobGraph jg = stats.getJobGraph();
                Iterator<JobStats> iter = jg.iterator();
                while (iter.hasNext()) {
                    JobStats js = iter.next();
                    if (!js.isSuccessful()) {
                        mNumFailedJobs++;
                        Exception exp = (js.getException() != null) ? js.getException()
                                : new ExecException(
                                        "Job " + js.getName() + " failed, hadoop does not return any error message",
                                        2244);
                        LogUtils.writeLog(exp,
                                mPigServer.getPigContext().getProperties().getProperty("pig.logfile"),
                                log,
                                "true".equalsIgnoreCase(mPigServer.getPigContext().getProperties().getProperty("verbose")),

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    private void setJobParents(MapReduceOper mro, Configuration conf) {
        // PigStats maintains a job DAG with the job id being updated
        // upon available. Therefore, before a job is submitted, the ids
        // of its parent jobs are already available.
        JobGraph jg = PigStats.get().getJobGraph();
        JobStats js = null;
        Iterator<JobStats> iter = jg.iterator();
        while (iter.hasNext()) {
            JobStats job = iter.next();
            if (job.getName().equals(mro.getOperatorKey().toString())) {
                js = job;
                break;
            }
        }
        if (js != null) {
            List<Operator> preds = jg.getPredecessors(js);
            if (preds != null) {
                StringBuilder sb = new StringBuilder();
                for (Operator op : preds) {
                    JobStats job = (JobStats)op;
                    if (sb.length() > 0) sb.append(",");
                    sb.append(job.getJobId());
                }
                conf.set(PIG_PROPERTY.JOB_PARENTS.toString(), sb.toString());
            }
        }
    }

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            return jobs;
        }
        JobGraph jGraph = stats.getJobGraph();
        Iterator<JobStats> iter = jGraph.iterator();
        while (iter.hasNext()) {
            JobStats js = iter.next();
            for (OutputStats output : js.getOutputs()) {
                if (js.isSuccessful()) {
                    jobs.add(new HJob(HJob.JOB_STATUS.COMPLETED, pigContext, output
                            .getPOStore(), output.getAlias(), stats));
                } else {
                    HJob hjob = new HJob(HJob.JOB_STATUS.FAILED, pigContext, output
                            .getPOStore(), output.getAlias(), stats);
                    hjob.setException(js.getException());
                    jobs.add(hjob);
                }
            }
        }
        return jobs;

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            e.printStackTrace(System.out);
            throw new IOException(e);
        }
        Iterator<JobStats> iter = stats.getJobGraph().iterator();
        while (iter.hasNext()) {
            JobStats js = iter.next();
            failed = !js.isSuccessful();
            if (failed) {
                break;
            }
        }
        return !failed;

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        Assert.assertEquals(1, originalLocations.size());
        OriginalLocation originalLocation = originalLocations.get(0);
        Assert.assertEquals(4, originalLocation.getLine());
        Assert.assertEquals(0, originalLocation.getOffset());
        Assert.assertEquals("A", originalLocation.getAlias());
        JobStats jStats = (JobStats)job.getStatistics().getJobGraph().getSinks().get(0);
        Assert.assertEquals("M: A[1,4],A[3,4],B[2,4] C: A[3,4],B[2,4] R: A[3,4]", jStats.getAliasLocation());
    }

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            PigStats stats = PigRunner.run(args, new TestNotificationListener());
            assertTrue(stats.isSuccessful());
            assertTrue(stats.getJobGraph().size() == 4);
            assertTrue(stats.getJobGraph().getSinks().size() == 1);
            assertTrue(stats.getJobGraph().getSources().size() == 1);
            JobStats js = (JobStats) stats.getJobGraph().getSinks().get(0);
            assertEquals(OUTPUT_FILE, js.getOutputs().get(0).getName());
            assertEquals(2, js.getOutputs().get(0).getNumberRecords());
            assertEquals(12, js.getOutputs().get(0).getBytes());
            assertEquals(OUTPUT_FILE, stats.getOutputNames().get(0));
            assertEquals(2, stats.getRecordWritten());
            assertEquals(12, stats.getBytesWritten());
            
            assertEquals("A", ((JobStats) stats.getJobGraph().getSources().get(
                    0)).getAlias());
            assertEquals("B", ((JobStats) stats.getJobGraph().getPredecessors(
                    js).get(0)).getAlias());
            assertEquals("B", js.getAlias()); 
        } finally {
            new File(PIG_FILE).delete();
            Util.deleteFile(cluster, OUTPUT_FILE);
        }
    }

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        try {
            String[] args = { PIG_FILE };
            PigStats stats = PigRunner.run(args, null);
            Iterator<JobStats> iter = stats.getJobGraph().iterator();
            while (iter.hasNext()) {
                 JobStats js=iter.next();
                 if(js.getState().name().equals("FAILED")) {
                     List<Operator> ops=stats.getJobGraph().getSuccessors(js);
                     for(Operator op : ops ) {
                         assertEquals(((JobStats)op).getState().toString(), "UNKNOWN");
                     }
                 }

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