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https://issues.apache.org/jira/browse/IMPALA-9020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-9020.
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Resolution: Duplicate
> Move scan range queues to fragment-level and do dynamic scheduling within a
> node
> --------------------------------------------------------------------------------
>
> Key: IMPALA-9020
> URL: https://issues.apache.org/jira/browse/IMPALA-9020
> Project: IMPALA
> Issue Type: Sub-task
> Components: Backend
> Reporter: Tim Armstrong
> Priority: Major
>
> It would be nice to dynamically load balance scans between finstances on a
> node. There's no particular reason why we can't do that - the code is already
> set up, in HDFS, to pull scan ranges out of a queue.
> I think this will be simpler to do once we don't have to support the "old"
> multithreaded scans, so I'm including this in later cleanup.
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