Hi Ahmad, Great to know that you managed But Strange it supposed to work what command did you use? i use below command in my ambari setup and it works perfectly on different os ambari-server setup –j /usr/java/jdk1.8.0_74 please refer for more http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.0.0/bk_ambari_reference_guide/content/ch_changing_the_jdk_version_on_an_existing_cluster.html btw which OS you are working with ? also i don think $PATH necessarily needs to be updated , we are already specifying "–j /usr/java/jdk1.8.0_74" Just make sure on all machines you have teh java home accessible ... View more

Hi Eric, Thanks for answer can you please clarify bit more do you agree with having KDC master on separate server in production scenario or not ? do you see any issues having KDC slave incase master KDC goes down ? Thanks Ripunjay ... View more

Thanks a lot @Predrag , this is what i was looking for ... View more

Hi @Rushikesh Deshmukh The following table provides an overview for quickly comparing these approaches, which I’ll describe in detail below. http://blog.cloudera.com/blog/2013/11/approaches-to-backup-and-disaster-recovery-in-hbase/ i used distcp as well but that did not work for me , in the sense data was copied but while running hbck i had issue if you want to create backup on same cluster then copytable and sanpshot are very easy for inter cluster snapshot works good let me know if you need more details Also this below link is really very useful and clear http://hbase.apache.org/0.94/book/ops.backup.html ... View more

Hi @Rushikesh Deshmukh The following table provides an overview for quickly comparing these approaches, which I’ll describe in detail below. http://blog.cloudera.com/blog/2013/11/approaches-to-backup-and-disaster-recovery-in-hbase/ i used distcp as well but that did not work for me , in the sense data was copied but while running hbck i had issue if you want to create backup on same cluster then copytable and sanpshot are very easy for inter cluster snapshot works good let me know if you need more details ... View more

Hi Kuldeep , i see symlinks are broken on 2 machines, and i have only 1 machine where symlinks are good but required symlinks are not present on good node how to resolve this issue , sorry for replying late how come we have unexpected behavior during installation that some symlinks are broken and some are good , its bug in hortonworks installer , what do you think ? Thanks Ripunjay Godhani ... View more