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https://issues.apache.org/jira/browse/PIG-1829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Ding updated PIG-1829:
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Attachment: PIG-1829.patch
Implemented the polling of completed jobs before the batch execution completes.
The output of test-patch:
{code}
[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] -1 tests included. The patch doesn't appear to include any new
or modified tests.
[exec] Please justify why no tests are needed for
this patch.
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[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
{code}
It's hard to test this with miniCluster.
> "0" value seen in PigStat's map/reduce runtime, even when the job is
> successful
> -------------------------------------------------------------------------------
>
> Key: PIG-1829
> URL: https://issues.apache.org/jira/browse/PIG-1829
> Project: Pig
> Issue Type: Improvement
> Affects Versions: 0.8.0
> Reporter: Thejas M Nair
> Assignee: Richard Ding
> Fix For: 0.9.0
>
> Attachments: PIG-1829.patch
>
>
> Pig runtime calls JobClient.getMapTaskReports(jobId) and
> JobClient.getReduceTaskReports(jobId) to get statistics about numbers of
> maps/reducers, as well as max/min/avg time of these tasks. But from time to
> time, these calls return empty lists. When that happens pig is reports 0
> values for the stats.
> The jobtracker keeps the stats information only for a limited duration based
> on the configuration parameters mapred.jobtracker.completeuserjobs.maximum
> and mapred.job.tracker.retiredjobs.cache.size. Since pig collects the stats
> after jobs have finished running, it is possible that the stats for the
> initial jobs are no longer available. To have better chances of getting the
> stats, it should be collected as soon as the job is over.
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