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Re: recommended nodes
Are you asking about hardware recommendations?
Eric Sammer on his "Hadoop Operations" book, did a great job about this:
For middle size clusters (until 300 nodes):
Processor: A dual quad-core 2.6 Ghz
RAM: 24 GB DDR3
Dual 1 Gb Ethernet NICs
a SAS drive controller
at least two SATA II drives in a JBOD configuration

The replication factor depends heavily of the primary use of your cluster.

On 11/26/2012 08:53 AM, David Charle wrote:
> hi
>
> what's the recommended nodes for NN, hmaster and zk nodes for a larger cluster, lets say 50-100+
>
> also, what would be the ideal replication factor for larger clusters when u have 3-4 racks ?
>
> --
> David
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>
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--

Marcos Luis Ort�z Valmaseda
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10mo. ANIVERSARIO DE LA CREACION DE LA UNIVERSIDAD DE LAS CIENCIAS INFORMATICAS...
CONECTADOS AL FUTURO, CONECTADOS A LA REVOLUCION

http://www.uci.cu
http://www.facebook.com/universidad.uci
http://www.flickr.com/photos/universidad_uci
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