> I had it in my mind that HBase liked big memory, hence assuming the > region servers should stay on the 24G machines with plenty of memory > at their disposal. We'll come up with a test platform and then try > some benchmarking and do a blog on it all and share. >
They do, but because of JVM limitations the recommended setting is around 4-8GB. Giving more would cause bigger heap fragmentation issues, leading to full GC pauses, which could cause session timeouts. J-D
