Hadoop 2.x
相关参数说明
- connections 用于保存ConnectionId到Connection的映射，位于org.apache.hadoop.ipc.Client中
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private ConcurrentMap<Client.ConnectionId, Client.Connection> connections; - calls 当前正在处理的远程调用，位于org.apache.hadoop.ipc.Client.Connection中
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private Hashtable<Integer, Client.Call> calls = new Hashtable(); - shouldCloseConnection 连接关闭标志
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private AtomicBoolean shouldCloseConnection = new AtomicBoolean();
