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From Manuel de Ferran <manuel.defer...@gmail.com>
Subject Re: Duplicate an HBase cluster
Date Tue, 17 Apr 2012 09:16:22 GMT
On Tue, Apr 17, 2012 at 11:03 AM, Harsh J <harsh@cloudera.com> wrote:

> Manuel,
> You can also just start the second HDFS cluster in parallel, and do an
> "hadoop fs -cp hdfs://original-nn/hbase hdfs://new-nn/hbase" (or a
> distcp) and then start HBase services on the new cluster (make sure zk
> quorum is separate or has a different hbase-rootdir though).
Thanks for the replies.

The goal is to minimize the offline time, and the copy time would be longer
than the time needed by the HDFS replication to catch a couple of new

Our proposal is similar to an incremental backup.

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