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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6570) Compatibility mode for 2.1
Date Fri, 10 Jan 2014 22:51:52 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868428#comment-13868428
] 

Jonathan Ellis commented on CASSANDRA-6570:
-------------------------------------------

Short term, CASSANDRA-6572 looks more reasonable to me.

> Compatibility mode for 2.1
> --------------------------
>
>                 Key: CASSANDRA-6570
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6570
>             Project: Cassandra
>          Issue Type: Task
>          Components: Core
>            Reporter: Jonathan Ellis
>
> Upgrading to a new major Cassandra release is a big commitment, because once on a new
version you can't downgrade again because we write new-version sstables.
> Let's add an option to write old-version sstables so that users can try upgrading a single
2.1 RC node in a 2.0 cluster with the safety net of being able to back it out if anything
goes wrong.



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