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https://issues.apache.org/jira/browse/MAPREDUCE-3801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe reassigned MAPREDUCE-3801:
-------------------------------------
Assignee: Jason Lowe
Ran into this again, as it started failing semi-reliably on our test machines.
Not sure this is the complete issue, but certainly part of the problem is the
speculator.eventQueueEmpty() call in the test to wait for any pending
speculations. That method is checking a queue _that is never used_. The queue
is therefore always empty, so the test never waits. The method should be
waiting on the scanControl queue rather than the unused eventQueue.
> org.apache.hadoop.mapreduce.v2.app.TestRuntimeEstimators.testExponentialEstimator
> fails intermittently
> ------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3801
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3801
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.0.0-alpha
> Reporter: Robert Joseph Evans
> Assignee: Jason Lowe
> Priority: Major
> Attachments:
> TEST-org.apache.hadoop.mapreduce.v2.app.TestRuntimeEstimators.xml,
> org.apache.hadoop.mapreduce.v2.app.TestRuntimeEstimators-output.txt,
> org.apache.hadoop.mapreduce.v2.app.TestRuntimeEstimators.txt
>
>
> org.apache.hadoop.mapreduce.v2.app.TestRuntimeEstimators,testExponentialEstimator
> fails intermittently
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