huangweiyi created SPARK-30246:
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Summary: Spark on Yarn External Shuffle Service Memory Leak
Key: SPARK-30246
URL: https://issues.apache.org/jira/browse/SPARK-30246
Project: Spark
Issue Type: Bug
Components: Shuffle, Spark Core
Affects Versions: 2.4.3
Environment: hadoop 2.7.3
spark 2.4.3
jdk 1.8.0_60
Reporter: huangweiyi
In our large busy yarn cluster which started Spark external shuffle service on
each NodeManager(NM), we encountered OOM in some NMs.
after i dump the heap memory and found there are some stremState objects still
in heap, but the app which the streamState belongs to is already finished.
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