[jira] [Assigned] (SPARK-40224) Make ObjectHashAggregateExec release memory eagerly when fallback to sort-based

["Apache Spark (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-40224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-40224:
------------------------------------

    Assignee:     (was: Apache Spark)

> 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
>
> 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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