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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase on HDFS: proper way to setup
Date Thu, 20 Aug 2015 15:42:14 GMT
Whether having HBase instance on each data node depends on the amount of
data you have and access pattern you expect.

bq. Is it any useful to have more HBase nodes than HDFS nodes?

I have never seen the above setup.

Do you have an hdfs cluster already ? Can you let us know your use case ?


On Thu, Aug 20, 2015 at 8:32 AM, MrE <eleroy@msn.com> wrote:

> Hello,
> I'm new to HBase, so pardon the stupid question.
> Hbase is meant to run on HDFS I presume, although it is not the default on
> the 'single host' setup.
> My question is: assuming I have a HDFS cluster setup for storage (just
> What is the rule of thumb for deployment of HBase instances: should I have
> a
> HBase instance on each HDFS node?
> I assume the HBase instances should be close to the data to avoid network
> latencies, but do I need a HBase instance on each datanode?
> Is it any useful to have more HBase nodes than HDFS nodes?
> All the basic tutorials explain setting up HBase on local fs, and then
> explain that to setup as a cluster 'just point to HDFS' for storage, but I
> haven't found clear explanation of how all these nodes should be arranged
> together to be efficient.
> Thanks for the help.
> E
> --
> View this message in context:
> http://apache-hbase.679495.n3.nabble.com/HBase-on-HDFS-proper-way-to-setup-tp4074047.html
> Sent from the HBase User mailing list archive at Nabble.com.

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