Help Center/ MapReduce Service/ Component Operation Guide (LTS)/ Using Impala/ Impala FAQ/ How Do I Disable CAS Authentication for the Impalad Role in an MRS Cluster?
Updated on 2025-11-13 GMT+08:00
How Do I Disable CAS Authentication for the Impalad Role in an MRS Cluster?
Question
How do I disable CAS authentication to call Impalad's queries API on a node outside the cluster to obtain metrics?
Answer
Log in to FusionInsight Manager, choose Cluster > Services > Impala, and click Configurations and then All Configurations. In the tab, choose Impalad(Role) > Customization. Add the parameter --webserver_cas_enable to impalad.customized.configs and set it to false. Save the configuration and restart the instance whose configuration expired. The system automatically disables CAS authentication.
Parent topic: Impala FAQ
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