@azrulafiq901 Thank you for bringing this to our community.  Did you get help on this? If not, You may also follow: [0a] Managing Licenses: https://docs.cloudera.com/cdp-private-cloud-base/7.1.9/managing-clusters/topics/cm-managing-licenses.html I highly recommend you discussing potential partnership with our Sales Executives. https://www.cloudera.com/contact-sales.html If you still need help, Please feel free to update this thread, so I can have our team approach you on your behalf. I hope this helps.   If this answers your question, You may mark this answer as Accept as Solution. You can also say thanks by clicking on the thumbs up button.   V ... View more

Hey @hadoopranger Upon further research, I see the reqs for IBM-Cloudera Impala JDBC Driver here[0a] Lets make sure this is followed. [0a] https://www.ibm.com/docs/en/cognos-analytics/11.1.0?topic=troubleshooting-cloudera-impala-jdbc-drivers Since this is intermittent, see if there are any timeouts/retries presents on the BI Application layer or LB layer. We still want to know how the BI tool is connecting to Impala. Is it via LB or Impala daemons directly? If the Impala CLI is working as expected, You can try the following: 1. Timeout/Retries logic on the LB for client connections. 2. Try recreating your JDBC connections and implement retry logic within your app and restart the client app. 3. Also, Attaching the IBM Cognos User Guide for your reference: https://www.ibm.com/docs/en/SSEP7J_11.1.0/com.ibm.swg.ba.cognos.ag_manage.doc/ca_manage.pdf If you still need further help, I encourage you contacting contacting IBM Community for specific configs on the Data Sources. Let us know how it goes.  Cheers V ... View more