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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
blocks.

Our proposal is similar to an incremental backup.

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