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https://issues.apache.org/jira/browse/CASSANDRA-2963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192946#comment-13192946
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Pavel Yaskevich commented on CASSANDRA-2963:
--------------------------------------------

Now when CASSANDRA-1391 is committed, to reset the schema you will just need to 
truncate schema_{keyspaces, columnfamilies, columns} and re-set Schema.instance 
to initial (blank) state.
                
> Add a convenient way to reset a node's schema
> ---------------------------------------------
>
>                 Key: CASSANDRA-2963
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2963
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Tools
>            Reporter: Brandon Williams
>            Assignee: Yuki Morishita
>            Priority: Minor
>              Labels: lhf
>             Fix For: 1.1
>
>         Attachments: 0001-Add-resetlocalschema-to-nodetool.patch, 
> system_reset_schema.txt
>
>
> People often encounter a schema disagreement where just one node is out of 
> sync.  To get it back in sync, they shutdown the node, move the Schema* and 
> Migration* files out of the system ks, and then start it back up.  Rather 
> than go through this process, it would be nice if you could just tell the 
> node to reset its schema.

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