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Posted to issues@spark.apache.org by "Mukul Murthy (JIRA)" <ji...@apache.org> on 2018/08/21 23:04:00 UTC

[jira] [Created] (SPARK-25181) Block Manager master and slave thread pools are unbounded

Mukul Murthy created SPARK-25181:
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             Summary: Block Manager master and slave thread pools are unbounded
                 Key: SPARK-25181
                 URL: https://issues.apache.org/jira/browse/SPARK-25181
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.3.0
            Reporter: Mukul Murthy


Currently, BlockManagerMasterEndpoint and BlockManagerSlaveEndpoint both have thread pools with unbounded numbers of threads. In certain cases, this can lead to driver OOM errors. We should add an upper bound on the number of threads in these thread pools; this should not break any existing behavior because they still have queues of size Integer.MAX_VALUE.



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