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From "Joydeep Sen Sarma (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-480) allow option to retry map-reduce tasks
Date Tue, 12 May 2009 15:21:45 GMT
allow option to retry map-reduce tasks

                 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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