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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-2195) Support cyclic replication
Date Mon, 05 Sep 2011 02:21:09 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl updated HBASE-2195:
---------------------------------

    Attachment: 2195-v5.txt

New version of the patch.
As you can see the local id (set with addPeer) is only for local bookkeeping in the source
cluster.
Behind the scenes the WAL keeps track of the cluster's UUID, but that is all transparent to
a user setting up things with addpeer.


> Support cyclic replication
> --------------------------
>
>                 Key: HBASE-2195
>                 URL: https://issues.apache.org/jira/browse/HBASE-2195
>             Project: HBase
>          Issue Type: Sub-task
>          Components: replication
>            Reporter: Jean-Daniel Cryans
>         Attachments: 2195-v5.txt, 2195.txt
>
>
> We need to support cyclic replication by using the cluster id of each HlogKey and stop
replicating when it goes back to the original cluster.

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