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From "Shixiong Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-12328) Add connectionEstablished callback to RpcHandler to monitor the new connections
Date Tue, 15 Dec 2015 00:36:46 GMT
Shixiong Zhu created SPARK-12328:
------------------------------------

             Summary: Add connectionEstablished callback to RpcHandler to monitor the new
connections
                 Key: SPARK-12328
                 URL: https://issues.apache.org/jira/browse/SPARK-12328
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 1.6.0
            Reporter: Shixiong Zhu
            Assignee: Shixiong Zhu


`NettyRpcHandler` uses a `ConcurrentHashMap` clients to remember if has received any messages
from a client to avoid firing multiple `RemoteProcessConnected`.

We can add a callback in the RpcHandler to remove the ConcurrentHashMap from NettyRpcHandler.



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