Understanding the secondary namenode UI
The secondary namenode is a checkpoint service for the namenode daemon that performs periodic merging of the edits log and the fsimage file. The secondary namenode UI can be accessed using the following URL:
http://<secondary-namenode-server>:50090/
The following screenshot shows the secondary namenode UI:
Just like the namenode UI, the secondary namenode UI also displays the Hadoop version. All checkpoint related information is available in this UI, which are given as follows:
- Name Node Address: This is the RPC address of the primary namenode daemon. Secondary namenode uses this address to connect to primary ...
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