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https://issues.apache.org/jira/browse/IMPALA-1760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-1760.
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Resolution: Fixed
Fix Version/s: Impala 3.1.0
This adds the primitive required for Impala to do a graceful shutdown. There is
further work to integrate this with any management tools - currently this would
require an admin user to run the command directly.
> Add Impala command to gracefully shut down an Impala daemon
> -----------------------------------------------------------
>
> Key: IMPALA-1760
> URL: https://issues.apache.org/jira/browse/IMPALA-1760
> Project: IMPALA
> Issue Type: New Feature
> Components: Distributed Exec
> Affects Versions: Impala 2.1.1
> Reporter: Henry Robinson
> Assignee: Tim Armstrong
> Priority: Critical
> Labels: resource-management, scalability, scheduler, usability
> Fix For: Impala 3.1.0
>
>
> In larger clusters, node maintenance is a frequent occurrence. There's no way
> currently to stop an Impala node without failing running queries, without
> draining queries across the whole cluster first. We should fix that.
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