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From "Pavel Yaskevich (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2963) Add a convenient way to reset a node's schema
Date Tue, 07 Feb 2012 14:34:59 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13202427#comment-13202427
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Pavel Yaskevich commented on CASSANDRA-2963:
--------------------------------------------

Almost there, last things are:

 - we don't want to remove data like Schema.init() does just a metadata about keyspaces/ColumnFamilies;
 - the better name for Schema.init() would be Schema.clear();
 - MigrationManager.resetLocalSchema should propagate IOException
                
> 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: cassandra-1.1-2963.txt, 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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