Uhm, those specs are actually now out of date. If you're running HBase, or want to also run R on top of Hadoop, you will need to add more memory. Also forget 1GBe got 10GBe, and w 2 SATA drives, you will be disk i/o bound way too quickly.
On Nov 26, 2012, at 8:05 AM, Marcos Ortiz <mlor...@uci.cu> wrote: > 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 >> 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 > > -- > > Marcos Luis OrtÃz Valmaseda > about.me/marcosortiz <http://about.me/marcosortiz> > @marcosluis2186 <http://twitter.com/marcosluis2186> > > > > 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
