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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-4641) Make upgrade to vnodes only happen on new installs
Date Mon, 10 Sep 2012 15:06:08 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452046#comment-13452046
] 

Jonathan Ellis edited comment on CASSANDRA-4641 at 9/11/12 2:05 AM:
--------------------------------------------------------------------

IMO, num_tokens should act like initial_token: respected on first startup, ignored otherwise.
 (This lets us make num_tokens: 256 be the default for new installs, while not touching upgraders
[even if they deploy the new cassandra.yaml] until they explicitly ask for it.)
                
      was (Author: jbellis):
    IMO, num_tokens should act like initial_token: respected on startup, ignored otherwise.
 (This lets us make num_tokens: 256 be the default for new installs, while not touching upgraders
[even if they deploy the new cassandra.yaml] until they explicitly ask for it.)
                  
> Make upgrade to vnodes only happen on new installs
> --------------------------------------------------
>
>                 Key: CASSANDRA-4641
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4641
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Brandon Williams
>            Assignee: Eric Evans
>             Fix For: 1.2.0 beta 1
>
>
> We should make vnodes be the default for new installs, however, just enabling the 'num_tokens'
parameter for upgrading is too flimsy.  Instead, we should have a jmx/nodetool operation to
do the upgrading.

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