Hi Arindam, Currently Savanna has plugin structure and Vanilla plugin supports only Hadoop 1.1.2. But this restriction is reflected mostly in configs for Hadoop. You may take a look to all config-defaults files in https://github.com/stackforge/savanna/tree/master/savanna/plugins/vanilla/resources. Services starting may depend on version too. E.g. all processes are started using hadoop-daemon.sh. You may examine all this start-commands in this file: https://github.com/stackforge/savanna/blob/master/savanna/plugins/vanilla/run_scripts.py. So to support earlier hadoop versions a new plugin may be created and it will not be too different from existing Vanilla plugin. If you are interested in it's implementation you are very welcome!
Thanks, Nadya
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