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From Peter Schuller <>
Subject Re: Moving experiences ?
Date Thu, 10 Nov 2011 07:01:02 GMT
> I am going to need to move some nodes to rebalance my cluster. How safe is
> this to do on a cluster with writes & reads ?

Moving nodes while serving live traffic is supported. Of course, there
is always some inherent risk in making ring topology changes (make
sure you know the process), but it is supported.

Keep in mind that if you're using an older version of Cassandra a move
is actually a decommission followed by bootstrap - so neighboring
nodes will temporarily own a larger part of the ring while a node is
being moved.

/ Peter Schuller (@scode,

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