advancedxy opened a new pull request #25825: [SPARK-26713][CORE] Interrupt pipe IO threads in PipedRDD when task is finished URL: https://github.com/apache/spark/pull/25825 ### What changes were proposed in this pull request? Manually release stdin writer and stderr reader thread when task is finished. ### Why are the changes needed? This is a bug fix. PipedRDD's IO threads may hang even the corresponding task is already finished without this fix, thus it would leaks resource(memory specially). ### Does this PR introduce any user-facing change? No. ### How was this patch tested? Add new test
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