@Gregory YaoI could not find any solution for this. If you find any solution for this please post here I still have this issue in my environment. ... View more

Recently ran into same issue where we were getting alerts for all the UIs. The root cause ended up being the times on the nodes were not correct. After fixing the time and restarting ambari server/agents and all services, the alerts went away ... View more

dear Geoffrey Shelton Okot you right , but during all my process I noticed about little issues that need to resolved , I am new in hadoop world , but any way I choose to work with other approach in order to configure the ambari cluster - see this https://cwiki.apache.org/confluence/display/AMBARI/Modify+configurations ... View more

@John Wright Happy you succeeded ! ... View more

Thanks for the detailed explanation Berry! ... View more

This worked. Thanks ! ... View more

@Kuldeep Kulkarni /var/lib/ambari-server/resources/scripts/configs.sh -u <ambari-admin-username> -p <ambari-admin-password> set <ambari-server-hostname> <cluster-name> ozie-env oozie_user_nofile_limit 32000 and oozie_user_nproc_limit 16000 had to remove the word advanced its just oozie-env 🙂 but its all working now! thank you soooooo much!!! and thank you @Geoffrey Shelton Okot for the help as well!!! you guys are awesome im very grateful for the help. ... View more

Sahil, @Sahil Jindal Were you able to figure this out? I am having the same problem. The first two OS load options, stop on the load page but the Amabari UI homepage comes up (I am getting connection refused error inside the Ambari portal) but for the third option, the boot up is complete but neither the Ambari homepage nor putty to the machine works! Appreciate if you could share your solution. Thanks, Sam. ... View more

Hi Hdave , You should pickup one tool at a time. for example take Hive. Below are high level steps. 1. Upload your csv files from your local system to HDFS file system. Hint : Use PUT command 2. Launch hive - Hint - Beeline 3. Create hive table as per CSV columns. 4. Load CSV file into table. 5. Query table from HIVE CLI or Beeline. Once this is done , please pick up another tool and try same. Regards, Fahim ... View more

when we override the path, it won't create any <dbname>.db folder, assuming that the specified path it self is the db /main folder for the mentioned database. ... View more