@shravani CM server restart required.  systemctl restart cloudera-scm-server     ... View more

Hue sends queries to HiveServer2, so you would want to implement it in the CM configuration for HS2, which is this safety valve in the Hive service: HiveServer2 Advanced Configuration Snippet (Safety Valve) for hive-site.xml ... View more

  There are also hue.ini files like /var/run/cloudera-scm-agent/process/XXXX-hue-BEESWAX_SERVER/hue.ini.   Maybe these are the exact configure files for hue? But each time I restart the hue service, it will generate a new one such hue.ini file, and the changes in files like /opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/etc/hue/hue.ini have no effect on these files. ... View more

Ok, thanks for your patient help ... View more

Since upgrading CM needs more testing, I downgraded impala to 1.0 instead. Now using impala through impala-shell is ok. However, the impala query component in hue is still not working. It can recognize all the database created in hive, but always return "No server logs for this query" to all queries. ... View more

Hi, Can help you  http://www.cloudera.com/content/support/en/downloads/cloudera_manager/cm-5-1-0.html  Cloudera Manager Installation Guide.pdf - check uninstall guide   you need to record the paths which you install the CDH ... View more