@NewBee22   For your first question, Go to Cloudera Manager -> HDFS -> Configuration -> search for 'Log Directory' -> change the dir path wherever applicable   For your second question, Go to Cloudera Manager -> HDFS -> Configuration -> search for 'maximum log' -> Here you can change both Max log file size & Number of log files to retain. Ex: Maximum Audit Log File Size - 100 Mib (You can reduce the size) Number of Audit Logs to Retain - 10 (you can reduce how many logs to retain)     Finally, you can do this for all the applicable services like yarn, etc ... View more

@NewBee22,   The key error in your output is: Failed to generate and store Agent UUID   When the agent starts, it will check /var/lib/cloudera-scm-agent/ to see if there is a "uuid" file.  If there isn't, the agent will create the file with a unique uuid value.  It seems this operation fails. Since the agent runs as root, it is possible there is something else preventing file creation   I suggest looking at the file path. Run:   # ls -lrt /var/lib/cloudera-scm-agent   Since we see that uuid_file = open(uuid_path, 'w') fails I believe that it is most likely that "cloudera-scm-agent" does not exist.   If it doesn't, create /var/lib/cloudera-scm-agent and try restarting the agent. ... View more

Yes, you can add extra nodes to the cluster even though you have used the non-production installation path. The difference between the two installation paths is the database backing the services. The non-prod version uses an embedded database, while the prod version relies on a stand alone database such as MySql. ... View more