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https://issues.apache.org/jira/browse/IMPALA-3099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell updated IMPALA-3099:
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Fix Version/s: Not Applicable
> Coordinator::CancelRemoteFragments should use a thread pool
> -----------------------------------------------------------
>
> Key: IMPALA-3099
> URL: https://issues.apache.org/jira/browse/IMPALA-3099
> Project: IMPALA
> Issue Type: Improvement
> Components: Distributed Exec
> Affects Versions: Impala 2.5.0
> Reporter: Henry Robinson
> Assignee: Joe McDonnell
> Priority: Minor
> Labels: ramp-up
> Fix For: Not Applicable
>
>
> {{Coordinator::CancelRemoteFragments()}} makes one RPC for every fragment
> instance, serially. There are no dependencies between fragment instances, so
> we should use {{ExecEnv::rpc_pool()}} to issue the cancellation requests.
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