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[多选题]
HDFS是一个主/从(Mater/Slave)体系结构,由三部分组成,分别是哪些项?()
A.NameNode
B.DataNode
C.SecondaryNamenode
D.本地硬盘
查看答案
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A.NameNode
B.DataNode
C.SecondaryNamenode
D.本地硬盘
A.the dura mater,the arachnoid,the pia mater
B.the dura mater,the pia mater,the arachnoid
C.the pia mater,the arachnoid,the dura mater
D.the pia mater,the dura mater,the arachnoid
E.the arachnoid,the pia mater,the dura mater
A.减轻
B.转移
C.接受
D.规避
A.BlockSize是不可以修改的
B.如果NameNode意外终止,SecondaryNameNode会接替它使集群继续工作
C.SecondaryNameNode应与NameNode部署到一个节点
D.以上都不对