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https://issues.apache.org/jira/browse/SPARK-40224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-40224.
---------------------------------
Fix Version/s: 3.4.0
Resolution: Fixed
Issue resolved by pull request 37668
[https://github.com/apache/spark/pull/37668]
> Make ObjectHashAggregateExec release memory eagerly when fallback to
> sort-based
> -------------------------------------------------------------------------------
>
> Key: SPARK-40224
> URL: https://issues.apache.org/jira/browse/SPARK-40224
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: XiDuo You
> Priority: Major
> Fix For: 3.4.0
>
>
> Avoid OOM issue as far as possible:
> {code:java}
> ObjectAggregationIterator INFO - Aggregation hash map size 128 reaches
> threshold capacity (128 entries), spilling and falling back to sort based
> aggregation. You may change the threshold by adjust option
> spark.sql.objectHashAggregate.sortBased.fallbackThreshold
> #
> # java.lang.OutOfMemoryError: Java heap space
> # -XX:OnOutOfMemoryError="kill %p"
> # Executing /bin/sh -c "kill 46725"...{code}
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