02-20-2018 03:43 AM - edited 02-20-2018 03:45 AM
what are the things to consider before upgrade cm and cdh.
what are the pre requisite to complete before upgrade cm and cdh please suggest best way to upgrade cm and cdh in production cluster.
Thnks in Advance
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02-20-2018 04:36 PM
This is a good place to start planning:
That should cover most of what you need. If you have questions, let us know.
04-12-2018 09:49 AM
Will check if I have new version of the upgrade document. There won't be much changes other than the target files, the upgrade is preety easy unless if you have very complex cluster.
How big and complex is your cluster ? HA / Non HA ? And Are you going by packages/Parcels ?
Will be happy to help if you have any more questions.
04-13-2018 05:01 PM
it's depend from which CDH version you are upgrading ...
You need to have a look at the services you cluster includes and if it's version was changed for example: Spark, HDFS, Yarn and So on: for example i upgraded my cluster from 5.5.4 to 5.13.0 i just cared about the spark jobs since spark version was changed and there was a need to change the jobs dependancy, and minor changed we did in hive tables refreshment.
I would recommend you to go to Major version -1 so to use 5.13 and use the latest minor version so i recommend 5.13.3