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Posted to issues-all@impala.apache.org by "Quanlong Huang (JIRA)" <ji...@apache.org> on 2019/04/25 06:40:00 UTC
[jira] [Updated] (IMPALA-7251) Fix QueryMaintenance calls in
Aggregators
[ https://issues.apache.org/jira/browse/IMPALA-7251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Quanlong Huang updated IMPALA-7251:
-----------------------------------
Fix Version/s: Impala 2.13.0
> 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
> Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> 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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