As @Consult mentioned, you can use the Cloudera Navigator UI to query for Hive audit events, in the Audits tab. Each audit event is associated with the username and the IP address of the client request. This should help you to get an idea of who runs the most queries. ... View more

No web services need to be running to access the Cloudera Manager API, just Cloudera Manager needs to be up and running. Please find instructions how to use the CM API in Cloudera Manager API documentation chapter. ... View more

Just a quick clarification, the DnsTest code calls straight the Java getHostName() and getCanonicalHostName() methods to retrieve the values. The reported mismatch was either caused by the name resolution settings at that time or by nscd caching the old values on the host. ... View more

NAME_NODE_AUDIT_HEALTH: The health test result for NAME_NODE_AUDIT_HEALTH has become bad: There is a problem processing audits for NAMENODE. REGION_SERVER_AUDIT_HEALTH: The health test result for REGION_SERVER_AUDIT_HEALTH has become bad: There is a problem processing audits for REGIONSERVER. Those indicate that there are issues sending the audit event logs created by these roles to the Navigator Audit Server. The root cause is either in the Navigator Audit Server or in the CM agent on the host with the role deployed to. Furher investigation needs to be to review the CM agent logs on the host(s) and the Navigator Audit Server logs at the time when the alert was raised. Any errors or exception seen at this time will indicate the root cause or at least provide pointers to base further investigation on. ... View more