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  1. Spark
  2. SPARK-25181

Block Manager master and slave thread pools are unbounded

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.3.0
    • 2.4.0
    • Spark Core
    • None

    Description

      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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              mukulmurthy Mukul Murthy
              mukulmurthy Mukul Murthy
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