I plan an upgrade from HDP 2.3.4 to HDP 2.4.0. What is a good checklist to perform this upgrade? Are there any reasons for concern?

[#1 · Accepted solution]

@Anil Bagga

hortonworks has documentation on pre checks you should perform prior to upgrading to 2.4.0 here.

Prechecks

http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.2.0/bk_upgrading_Ambari/content/_preparing_to_up...

http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.2.0/bk_upgrading_Ambari/content/_upgrading_HDP_p...

Prepare upgrade

http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.2.0/bk_upgrading_Ambari/content/_preparing_to_up...

http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.2.0/bk_upgrading_Ambari/content/_upgrading_HDP_p...

post upgrade

http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.2.0/bk_upgrading_Ambari/content/_post_ambari_upg...