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From Peter Schuller <>
Subject Re: RFC: Cassandra Virtual Nodes
Date Wed, 21 Mar 2012 02:41:56 GMT
> Each node would have a lower and an upper token, which would form a range
> that would be actively distributed via gossip. Read and replication
> requests would only be routed to a replica when the key of these operations
> matched the replica's token range in the gossip tables. Each node would
> locally store it's own current active token range as well as a target token
> range it's "moving" towards.

How is this significantly different than just using "nodetool move"
(in post-1.x) more rapidly and on smaller segments at a time?

There is the ring delay stuff which makes it un-workable to do at high
granularity, but that should apply to the active range solution too.

/ Peter Schuller (@scode,

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