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Re: Hardware specs
There are some good recommendations in this blog post:

http://www.cloudera.com/blog/2010/03/clouderas-support-team-shares-some-basic-hardware-recommendations/

It's a little dated, but the reasoning and basics are sound.

-Joey

On Thu, Jun 9, 2011 at 10:59 AM, Mark <[EMAIL PROTECTED]> wrote:
> Can someone give some brief guidance on some (ballpark) specs for a hadoop
> cluster?
>
> - What are the typical size and memory requirements are there for a
> dedicated namenode?
> - What are the typical size and memory requirements are there for individual
> datanodes?
> - Should there be more, less or even amounts of ram on each datanode?
> - Should the namenode have more, less or an even amount of ram as compared
> to the datanode?
>
> Thanks
>
>

--
Joseph Echeverria
Cloudera, Inc.
443.305.9434
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB