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From "Jonathan Ellis (Updated) (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-3483) Support bringing up a new datacenter to existing cluster without repair
Date Mon, 30 Jan 2012 14:50:10 GMT


Jonathan Ellis updated CASSANDRA-3483:

    Attachment: 3483-cleanup.txt

cleanup patch addressing mostly typos and style.  only substantial code change was to RangeStreamer.getRangeFetchMap.
 Also, moved OperationType.REBUILD to the end of the enum to make sure we don't break anything
depending on ordinal.

+1 from me otherwise.
> Support bringing up a new datacenter to existing cluster without repair
> -----------------------------------------------------------------------
>                 Key: CASSANDRA-3483
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Chris Goffinet
>            Assignee: Peter Schuller
>             Fix For: 1.1
>         Attachments: 3483-cleanup.txt, 3483-v3.patch, CASSANDRA-3483-0.8-prelim.txt,
CASSANDRA-3483-1.0.txt, CASSANDRA-3483-trunk-noredesign.txt, CASSANDRA-3483-trunk-rebase2.txt,
CASSANDRA-3483-trunk-refactored-v1.txt, CASSANDRA-3483-trunk-refactored-v2.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
> 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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