Have you seen this thread ? http://search-hadoop.com/m/PhUxhdw5Mz1/otis+g1gc&subj=Re+G1+before+after+GC+time+graph
On Mon, Jul 29, 2013 at 2:19 PM, Sudarshan Kadambi (BLOOMBERG/ 731 LEXIN) < [email protected]> wrote: > If someone was contemplating running multiple HBase region servers per > node, what would you tell him? I've lots of RAM on my machines and I want > HBase to be able to make the most of it. Heaps larger than 12-16G have > significant gc penalties. I could try to have a larger cache off-heap, but > that feature is considered to be not fully baked in yet (according to > people in the know). The option left over is to run multiple region servers > per node. What are the downsides to that? > > Regards, > -sudarshan
