Name Node status
The second shortcut from the remote desktop is Hadoop Name Node Status, which gives you the details of the NameNode. This URL can be accessed from any node of the cluster using the address http://headnodehost:30070.
The Name Node status web page has the following key menu items:
- Name Node overview
- Datanode status
- Utilities and logs
The other menu items include snapshots and startup progress. Let's take a look at the key menu items in detail.
The Name Node Overview page
The Name Node Overview page gives us the following important information:
- The cluster identifier, Hadoop version, and the date when it was started
- The total storage capacity, percentage used, and available storage
- The total number of nodes alive and decommissioned
- The location ...
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