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Posted to issues@spark.apache.org by "huangweiyi (Jira)" <ji...@apache.org> on 2019/12/13 04:48:00 UTC

[jira] [Created] (SPARK-30246) Spark on Yarn External Shuffle Service Memory Leak

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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