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From Li Pi ...@idle.li>
Subject Re: Dealing with single point of failure
Date Sat, 29 Oct 2011 20:51:20 GMT
You can do a variety of things, including having the namenode run on
an incredibly resilient piece of hardware, (raid 1, redundant psus,
etc).

>From the software perspective, you can look at the avatar node:
http://hadoopblog.blogspot.com/2010/02/hadoop-namenode-high-availability.html

or something like this:
http://www.cloudera.com/blog/2009/07/hadoop-ha-configuration/

On Sat, Oct 29, 2011 at 11:46 AM, Mark <static.void.dev@gmail.com> wrote:
> How does one deal with the fact that HBase has a single point of failure..
> namely the namenode. What steps can be taken to eliminate and/or minimize
> the impact of a namenode failure? What can a situation where reliability is
> of utmost importance should one choose an alternative technology.. ie
> Cassandra?
>
> Thanks
>

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