两个节点...算上网络和通信开销...用在运营系统上意义不大。另hadoop每个数据块默认都要3个拷贝...三个datanode
hadoop is operating system rather than data processing engine.
两个节点...算上网络和通信开销...用在运营系统上意义不大。另hadoop每个数据块默认都要3个拷贝...三个datanode
hadoop is operating system rather than data processing engine.