Thank you, indeed it worked with javac -cp `hadoop classpath` -d wordcount_classes WordCount.java ... View more

Keep using the newer version . Hope this issue will get solved in the coming upgrades ... View more

Hey Thanks alot @Jay Kumar SenSharma it did work after reboot. But Now i'm facing different issue HST agent is redirecting to fail mode after restart. can you please help on this. ... View more

I have database replica and physical replication slot. When replica was down, postgers began to save wal journal and them was save all month! When i drop replication slot and clear old wal journal the cpu utilisation return to normal. ... View more

@Jay Kumar SenSharma, Thank you for your inputs. After running yum install commands the outcome will be krb5.conf file and i am already having the same file structure in my repository so can I directly go ahead with enabling Kerberos via Ambari and does the conf file will accept this? Regards, Manjunath P N ... View more

The users can be created using below steps: a)Get the information from user as to which machine is he working from. b)create the user in in OS first. c)Create the user in Hadoop by creating his home folder /user/username in Hadoop d)make sure that we have 777 permission for temp directory in HDFS e)using chown command change ownership from Hadoop to user for only his home directory so that he can write into only his directory and not other users. f)add his name into name node hdfs dfsadmin -refreshUserToGroupMappings G)If needed set a space limit for the user to limit the amount of data stored by him.hdfs dfsadmin -setSpaceQuota 50g /user/username ... View more

i think that did what i needed. thanks ... View more

ON the yarn queues tab, I see: root (100%), default(0%), and llap(100%)..does this may changes had no effect?? ... View more

It works, thanks so much! ... View more

Indeed thank you, that solved the issue, I was just surprised that I needed to do all that, thought ambari would have set that up from the beginning. A follow up question.. When I run the query on druid directly, it returns in like 2 seconds..when I run the query on hive..it converts to map-reduce and takes 2+ minutes to run..any thoughts on why? when running it through hive..I'm guessing the query is not being passed down..and rather all the data is being streamed back to hive? ... View more