Thomas Graves created SPARK-13343:
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Summary: speculative tasks that didn't commit shouldn't be marked
as success
Key: SPARK-13343
URL: https://issues.apache.org/jira/browse/SPARK-13343
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 1.6.0
Reporter: Thomas Graves
Currently Speculative tasks that didn't commit can show up as success of
failures (depending on timing of commit). This is a bit confusing because that
task didn't really succeed in the sense it didn't write anything.
I think these tasks should be marked as KILLED or something that is more
obvious to the user exactly what happened. it is happened to hit the timing
where it got a commit denied exception then it shows up as failed and counts
against your task failures. It shouldn't count against task failures since
that failure really doesn't matter.
MapReduce handles these situation so perhaps we can look there for a model.
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