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From Dima Spivak <dimaspi...@apache.org>
Subject Re: Viable approaches to fail over HBase cluster across data centers
Date Mon, 26 Sep 2016 12:42:34 GMT
Sounds like the problem Ted Malaska was trying to solve with his
multicluster client [1], though not sure that has gone anywhere for a

1. https://github.com/tmalaska/HBase.MCC

On Monday, September 26, 2016, Sreeram <sreeram.v@gmail.com> wrote:

> Dear All,
>  Please let me know your thoughts on viable approaches to fail over HBase
> cluster across data centers in case of a primary data center outage. The
> deployment scenario has zero data loss as one of the primary design goals.
> Deployment scenario is Active-Passive. In case of active cluster being
> down, there must be zero data loss fail over to the passive cluster.
> I understand that the built-in table level replication using 'add_peer'
> might still lead to data loss since it is asynchronous.
> As a related note, is there is a way to specify the location (e.g. network
> drive) where HBase WAL files in HDFS need to be written to ? The network
> drive has synchronous replication across data centers. If the WAL files can
> be written to the replicated network drives, can we recover in-flight data
> in the passive cluster and resume operations from there ?
> Regards,
> Sreeram


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