如何独立hadoop次要namenode从主要namenode？ [英] How separate hadoop secondary namenode from primary namenode?

问题描述

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我想问，现在我正在运行hadoop 2.6.0。那么如何将这个辅助节点与主节点分离？配置是什么？

I want to ask, now I'm running hadoop 2.6.0. So how can I separate this secondary namenode from the primary one? What's the configuration?

我是否使用一台额外的计算机成为辅助节点，或者它可以在datanode中？

Have I use one additional computer to become a secondary namenode, or it can be in a datanode?

我需要你的建议，谢谢...

I need your suggest, thanks...

推荐答案

NameNode，Secondary NameNode，DataNodes只是名字给机器根据他们执行的工作。在理想的分布式环境中，它们都可以并且应该驻留在单独的机器中。

NameNode, Secondary NameNode, DataNodes are just names given to "machines" based on the job they perform. In a "ideal" distributed enviornment, they all can and should reside in separate machines.

辅助NameNode在另一台机器上的唯一要求是：Secondary NameNode NamdeNode应该连接，使FSImane& EditLogs可以从NameNode复制到Secondary NameNode。

The only requirement for a secondary NameNode to be on another machine is : Secondary NameNode and NamdeNode should be connected so that The FSImane & EditLogs can be copied from NameNode to Secondary NameNode.

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