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https://issues.apache.org/jira/browse/SPARK-55832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kent Yao reassigned SPARK-55832:
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Assignee: Kent Yao
> Reduce periodic GC interval in ThriftServerQueryTestSuite to mitigate OOM
> -------------------------------------------------------------------------
>
> Key: SPARK-55832
> URL: https://issues.apache.org/jira/browse/SPARK-55832
> Project: Spark
> Issue Type: Improvement
> Components: SQL, Tests
> Affects Versions: 4.2.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
> Labels: pull-request-available
>
> ThriftServerQueryTestSuite runs 800+ SQL golden file tests sequentially in a
> single SparkSession. The default spark.cleaner.periodicGC.interval is 30
> minutes, which is too infrequent for the memory pressure in this long-running
> suite (~50 min). This causes intermittent OOM (java.lang.OutOfMemoryError:
> Java heap space) during scalar subquery tests, with 100+ failed page
> allocations (64MB each).
> Reduce the periodic GC interval to 60 seconds for this test suite to allow
> more frequent garbage collection and prevent memory buildup.
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