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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2197) Start replication from a point in time
Date Wed, 10 Feb 2010 19:50:31 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12832151#action_12832151
] 

Andrew Purtell commented on HBASE-2197:
---------------------------------------

{quote}
bq. My expectation as a user is that I would turn on replication and then do a MR job to transfer
already stored data from the source cluster to the new peer.
So we could ship a MR that takes in input a table and that outputs to a peer cluster, that's
how you see it?
{quote}

Something generic we can provide would be helpful. A TOF that supports some notion of remote
table? 


> Start replication from a point in time
> --------------------------------------
>
>                 Key: HBASE-2197
>                 URL: https://issues.apache.org/jira/browse/HBASE-2197
>             Project: Hadoop HBase
>          Issue Type: Sub-task
>            Reporter: Jean-Daniel Cryans
>             Fix For: 0.21.0
>
>
> One way to set up a cluster for replication is to distcp all files then start the replication.
We need a way to make sure we don't miss any edits by being able to start a process that reads
old log files from a defined point in time and send them to a specific slave cluster and then
catch up with normal replication.

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