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  1. Spark
  2. SPARK-27868

Better document shuffle / RPC listen backlog

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.4.3
    • Fix Version/s: 3.0.0
    • Component/s: Documentation, Spark Core
    • Labels:
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      Description

      The option to control the listen socket backlog for RPC and shuffle servers is not documented in our public docs.

      The only piece of documentation is in a Java class, and even that documentation is incorrect:

        /** Requested maximum length of the queue of incoming connections. Default -1 for no backlog. */
        public int backLog() { return conf.getInt(SPARK_NETWORK_IO_BACKLOG_KEY, -1); }
      

      The default value actual causes the default value from the JRE to be used, which is 50 according to the docs.

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            • Assignee:
              vanzin Marcelo Masiero Vanzin
              Reporter:
              vanzin Marcelo Masiero Vanzin
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              • Created:
                Updated:
                Resolved: