Great! 😄   It´s possible that you have some errors, and many of that related to the others... You can check all errors and warning in menu option "All health issues".   Check if the problem it´s about RAM. But I think it´s very probably that errors are concerned by "Free disk space".   Cloudera shows a lot of "Warning Alerts" when directories have less of 15 % of free space, and "Critical Alerts" when free space is lower than 10 %. In your case, with only one server, it sounds a possible cause...   That´s alerts do not prevent services from working, but if disk it´s full services will going down.   ... View more

Hi,   in case you´d want to install and configure JDBC connector to Hive, here you have the official link:  https://www.cloudera.com/downloads/connectors/hive/jdbc/2-6-2.html   in that web there are documentation about installation.   But I think in your case the first problem is the name of the server. Cloudera Manager is trying to look for the hostname "cloudera.isetso.com" and he can´t resolve it.   Check your /etc/hosts and be sure the name is correct and pointing to the right IP. That could be a possibility.   Regards.   ... View more

In some cases, when a Daemon has troubles with AD connection protocol, from that server it´s impossible to retrieve user-group assignation information.   If your work casually is launched from that server, you obtain an error, but if the work is launched from another server without that problems, you look as the launch was fine.   It´s strange, but a possibility... ... View more

Hi,   if I understood well, you want grant access to database schemas to the user, right?   In this case, there are two possible scenarios:   1) Kerberos and Sentry disabled:  in this case, if databases are from Hive, you must to configure HDFS folder´s permissions in order your OS user/group have access to HDFS filesystem where Hive databases are stored.   2) Kerberos and Sentry enabled:  this case is a little more extensive, because you must to take in mind point 1 considerations, and configure Sentry roles, Roles-groups assignment, kerbero´s users, ... In this case you must to follow Cloudera´s Security Guide. ... View more