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https://issues.apache.org/jira/browse/CASSANDRA-3483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13162971#comment-13162971
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Peter Schuller commented on CASSANDRA-3483:
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Yes, that looks good.
And yes, you can run rebuilds concurrently as long as you're comfortable with
the amount of bandwidth you'll be pushing and the load you'll be putting on the
source nodes.
However, if you expect to see reasonable performance and streaming at full
speed to all nodes, you also need CASSANDRA-3494.
Regardless: I strongly recommend testing this with your exact version of
Cassandra before trying it for real.
> Support bringing up a new datacenter to existing cluster without repair
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-3483
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3483
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.0.2
> Reporter: Chris Goffinet
> Assignee: Peter Schuller
> Attachments: CASSANDRA-3483-0.8-prelim.txt, CASSANDRA-3483-1.0.txt
>
>
> Was talking to Brandon in irc, and we ran into a case where we want to bring
> up a new DC to an existing cluster. He suggested from jbellis the way to do
> it currently was set strategy options of dc2:0, then add the nodes. After the
> nodes are up, change the RF of dc2, and run repair.
> I'd like to avoid a repair as it runs AES and is a bit more intense than how
> bootstrap works currently by just streaming ranges from the SSTables. Would
> it be possible to improve this functionality (adding a new DC to existing
> cluster) than the proposed method? We'd be happy to do a patch if we got some
> input on the best way to go about it.
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