Hello We are using HBase 1.4.12 in our cluster and recently we are planning to upgrade it to 2.3.x. I would like to know if direct upgrade from 1.4 to 2.3 is possible and safe. Actually I couldn't find anything about this in the docs. According to the docs upgrade from 1.4 to 2.1 is tested but direct upgrading to higher versions is not mentioned.
I would be grateful if anyone could give me further information and share their experiences about upgrading from 1.4 to 2.x . Best Regards.
