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https://issues.apache.org/jira/browse/IMPALA-9125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-9125 started by Tim Armstrong.
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> Add general mechanism to find DataSink from other fragments
> -----------------------------------------------------------
>
> Key: IMPALA-9125
> URL: https://issues.apache.org/jira/browse/IMPALA-9125
> Project: IMPALA
> Issue Type: Sub-task
> Components: Backend
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
>
> As a precursor to IMPALA-4224, we should add a mechanism for an finstance to
> discover the join build sink from another finstance.
> We already have a related single-purpose mechanism in the coordinator to find
> PlanRootSink. We should generalise this to allow looking up the sink of any
> other finstance and move it into QueryState
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