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https://issues.apache.org/jira/browse/SPARK-29310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-29310.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 25985
[https://github.com/apache/spark/pull/25985]
> TestMemoryManager should implement getExecutionMemoryUsageForTask()
> -------------------------------------------------------------------
>
> Key: SPARK-29310
> URL: https://issues.apache.org/jira/browse/SPARK-29310
> Project: Spark
> Issue Type: Improvement
> Components: Tests
> Affects Versions: 3.0.0
> Reporter: Josh Rosen
> Assignee: Josh Rosen
> Priority: Major
> Fix For: 3.0.0
>
>
> Spark uses a {{TestMemoryManager}} class to mock out memory manager
> functionality in tests, allowing test authors to exercise control over
> certain behaviors (e.g. to simulate OOMs).
> Our tests have memory-leak detection to ensure that all allocated memory is
> cleaned up at the end of each test case; this helps to guard against bugs
> that could cause production memory leaks.
> Unfortunately, however, this leak-detection logic is broken for tests which
> use {{TestMemoryManager}} because it does not override the
> {{getExecutionMemoryUsageForTask()}} method which the leak-detection
> mechanism needs.
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