You'll find one namenode and one secondary namenode in a Hadoop cluster.

在每个Hadoop集群中可以找到一个namenode和一个secondary namenode。

youdao

There's also a secondary namenode, which isn't a redundant daemon for the namenode but instead provides period checkpointing and housekeeping tasks.

还有一个secondary namenode，它不是 namenode的冗余守护进程，而是提供周期检查点和清理任务。

youdao

There's also a secondary namenode, which isn't a redundant daemon for the namenode but instead provides period checkpointing and housekeeping tasks.

还有一个secondary namenode，它不是 namenode的冗余守护进程，而是提供周期检查点和清理任务。

youdao