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Type:
Bug
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Status: Resolved
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 2.4.3
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Fix Version/s: 3.0.0
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Component/s: Documentation, Spark Core
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Labels:None
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.