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From Himanshu Vashishtha <hvash...@cs.ualberta.ca>
Subject HBase Replication: clarification needed
Date Fri, 24 Feb 2012 21:08:15 GMT
Hello All,

I am looking at the replication functionality in HBase from the
perspective of failover/failback mechanisms, i.e., fail over to a
slave cluster in case the master (or primary) cluster fails, and then
reverting back to the original master when it is up.

By looking at the code, and replication page [1], I think the current
replication functionality supports replicating a healthy cluster to a
backup cluster (irrespective of any cluster size). This is not a exact
failover/failback process, but a backup and recovery tool.
Please correct me if I am wrong.


[1] http://hbase.apache.org/replication.html

Thanks,
Himanshu

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