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From Anisha Agarwal <aagar...@hexiscyber.com>
Subject Configuration changes
Date Thu, 24 Apr 2014 00:37:06 GMT
Hi,

I had a question about how configuration changes work?

So, say I have HDFS and Mapreduce installed, and I want to make a config change from the UI.
I stop the service, make the change, save it, and start the service.

At what point do the changes get propagated across the cluster? When we save the changes,
does cluster.xml get updated and pushed to each host at that point, or does it happen after
we issue the start command?

Thanks,
Anisha

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