[jira] Commented: (CASSANDRA-44) It is difficult to modify the set of ColumnFamliies in an existing cluster

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-44?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754331#action_12754331 ] 

Jonathan Ellis commented on CASSANDRA-44:
-----------------------------------------

I no longer thing we need to involve ZK for this.  Let's keep it simple.

> It is difficult to modify the set of ColumnFamliies in an existing cluster
> --------------------------------------------------------------------------
>
>                 Key: CASSANDRA-44
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-44
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Eric Evans
>             Fix For: 0.5
>
>
> ColumnFamilies may be added when cassandr is not running by editing the configuration file.
> If you need to delete or re-order CFs, you must
> 1) kill cassandra
> 2) start it again and wait for log replay to finish
> 3) kill cassandra AGAIN
> 4) make your edits (now there is no data in the commitlog)
> 5) manually remove the sstable files (-Data.db, -Index.db, and -Filter.db) for the CFs you removed, and rename files for CFs you renamed
> 6) start cassandra and your edits should take effect

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