allow option to retry map-reduce tasks
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Key: HIVE-480
URL: https://issues.apache.org/jira/browse/HIVE-480
Project: Hadoop Hive
Issue Type: New Feature
Components: Query Processor
Reporter: Joydeep Sen Sarma
for long running queries with multiple map-reduce jobs - this should help in
dealing with any transient cluster failures without having to re-running all
the tasks.
ideally - the entire plan can be serialized out and the actual process of
executing the workflow can be left to a pluggable workflow execution engine
(since this is a problem that has been solved many times already).
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