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https://issues.apache.org/jira/browse/IMPALA-7251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-7251:
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Target Version: Impala 3.1.0
> Fix QueryMaintenance calls in Aggregators
> -----------------------------------------
>
> Key: IMPALA-7251
> URL: https://issues.apache.org/jira/browse/IMPALA-7251
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 3.1.0
> Reporter: Thomas Tauber-Marshall
> Assignee: Thomas Tauber-Marshall
> Priority: Blocker
>
> A recent change, IMPALA-110 (part 2), refactored PartitionedAggregationNode
> into several classes, including GroupingAggregator. During this refactor,
> code that makes local allocations while evaluating exprs was moved from the
> ExecNode (now AggregationNode/StreamingAggregationNode) into the new type
> Aggregator, but code related to cleaning these allocations up (ie
> QueryMaintenance()) was not, resulting in some queries using an excessive
> amount of memory.
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