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https://issues.apache.org/jira/browse/CASSANDRA-7057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13975689#comment-13975689
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Brandon Williams commented on CASSANDRA-7057:
---------------------------------------------

You can handle balance with relocate, aka 'nodetool taketoken' but I don't 
think there's going to be any way to add tokens without adding nodes, since 
we'd have to bootstrap the tokens without actually putting the node into 
bootstrap, which makes the communication of which tokens are bootstrapping 
impossible.

> Add ability to adjust number of vnodes on a node
> ------------------------------------------------
>
>                 Key: CASSANDRA-7057
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7057
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Config
>            Reporter: Michael Shuler
>            Priority: Minor
>
> Currently, once a vnode server is configured with a num_tokens value, there 
> is no defined process to to change the number of vnodes a node is responsible 
> for.
> This could be useful for load adjustments when upgrading hardware in a 
> server, or adjusting the number of vnodes to affect node data balance.



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