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https://issues.apache.org/jira/browse/CASSANDRA-2138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis updated CASSANDRA-2138:
--------------------------------------

    Attachment: 2138.txt

attached patch gossips ReleaseVersionString and enables 1530 
(StorageService.useEfficientCrossDCWrites) when the entire cluster is on 0.7.1 
or higher

> add option to enable efficient cross-dc replication
> ---------------------------------------------------
>
>                 Key: CASSANDRA-2138
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2138
>             Project: Cassandra
>          Issue Type: Improvement
>    Affects Versions: 0.7.1
>            Reporter: Brandon Williams
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 0.7.1
>
>         Attachments: 2138.txt
>
>
> In CASSANDRA-1530 we made cross-dc replication more efficient, but 0.7.0 will 
> ignore any forwarding messages it receives, so let's make this optional to 
> allow smoother upgrades.

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