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The "VirtualNodes/Balance" page has been changed by EricEvans: http://wiki.apache.org/cassandra/VirtualNodes/Balance?action=diff&rev1=1&rev2=2 Comment: hashing out implementation proposal When migrating a legacy cluster with one-token-per-node to virtual nodes, the existing range is carved up into `num_tokens` new ranges. These new ranges are still contiguous however, and a means of randomizing their placement is needed. + <<Anchor(implementation)>> + == Implementation (Draft) == + === Nodes / Cluster === + The most straightforward method of effecting ownership is a token move (i.e. relocating a range from one node to another). Exposing this with JMX would allow implementing all of the required operations client-side. + + === User Interface === + + {{{ + $ nodetool balance + }}} + + {{{ + $ nodetool shuffle + }}} + + {{{ + $ nodetool trim + }}} +