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https://issues.apache.org/jira/browse/HIVE-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718928#action_12718928
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Prasad Chakka commented on HIVE-480:
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if all queries go through Hive Server, it can figure out when to start queuing
queries to be executed when the cluster comes back either.
can we integrate the code that Pete wrote to figure out whether cluster is up
or not into Hive CLI so that we can display a neat message to user that cluster
is not available?
> 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
> Attachments: HIVE-480.1.patch
>
>
> 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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