Web UIs of Open Source Components

Scenario

Web UIs of different components are created and hosted on the Master or Core nodes in the MRS cluster by default. You can view information about the components on these web UIs.

Procedure for accessing the web UIs of open-source component:

Select an access method.
MRS provides the following methods for accessing the web UIs of open-source components:
- EIP-based Access: This method is recommended because it is easy to bind an EIP to a cluster.
- Access Using a Windows ECS: Independent ECSs need to be created and configured.
- Creating an SSH Channel for Connecting to an MRS Cluster and Configuring the Browser: Use this method when the user and the MRS cluster are on different networks.
Access the web UIs. For details, see Table 1.

Web UIs

For clusters with Kerberos authentication enabled, user admin does not have the management permission on each component. To access the web UI of each component, create a user who has the management permission on the corresponding component.

**Table 1** Web UI addresses of open-source components
Cluster Type	Web UI Type	Web UI Address
All Types	Manager	For details, see Accessing FusionInsight Manager.
Custom	HDFS NameNode	On the Manager homepage, choose Cluster > Services > HDFS > NameNode Web UI > *NameNode (Host name, Active)*.
	HBase HMaster	On the Manager homepage, choose Cluster > Services > HBase > HMaster Web UI > *HMaster (Host name, Active)*.
	MapReduce JobHistoryServer	On the Manager homepage, choose Cluster > Services > MapReduce > JobHistoryServer Web UI > *JobHistoryServer (Host name, Active)*.
	YARN ResourceManager	On the Manager homepage, choose Cluster > Services > Yarn > ResourceManager Web UI > *ResourceManager (Host name, Active)*.
	Spark2x JobHistory	On the Manager homepage, choose Cluster > Services > Spark2x > Spark2x Web UI > *JobHistory2x (Host name)*.
	Hue	On the Manager homepage, choose Cluster > Services > Hue > Hue Web UI > Hue (Host name, Active). Loader is a graphical data migration management tool based on the open-source Sqoop web UI, and its interface is hosted on the Hue web UI.
	Tez	On the Manager homepage, choose Cluster > Services > Tez > Tez Web UI > *TezUI (Host name)*.
	Storm	On the Manager homepage, choose Cluster > Services > Storm > Storm Web UI > *UI (Host name)*.
	Ranger	On the Manager homepage, choose Cluster > Services > Ranger > Ranger Web UI > RangerAdmin.