You really can't tell until you prototype and measure. Here's a long blog on why what you're asking, although a reasonable request, is just about impossible to answer without prototyping and measuring.
http://searchhub.org/2012/07/23/sizing-hardware-in-the-abstract-why-we-dont-have-a-definitive-answer/ Best, Erick On Tue, Aug 12, 2014 at 10:36 PM, Ramprasad Padmanabhan < ramprasad...@gmail.com> wrote: > And how many machines running the SOLR ? > > > > > On 12 August 2014 22:12, Noble Paul <noble.p...@gmail.com> wrote: > > > The machines were 32GB ram boxes. You must do the RAM requirement > > > > And how many machines running the SOLR ? > > I expect that I will have to add more servers. What I am looking for is how > do I calculate how many servers I need. >