hdfs复制监控线程

HDFS源码分析数据块复制监控线程ReplicationMonitor（二）

HDFS源码分析数据块复制监控线程ReplicationMonitor（一）

ReplicationMonitor是HDFS中关于数据块复制的监控线程，它的主要作用就是计算DataNode工作，并将复制请求超时的块重新加入到待调度队列。其定义及作为线程核心的run()方法如下：/*Periodically calls computeReplicationWork().*周期性调用...

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