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From Steve Loughran <ste...@apache.org>
Subject Re: Typical hardware configurations
Date Mon, 30 Mar 2009 11:41:19 GMT
Ryan Rawson wrote:

> You should also be getting 64-bit systems and running a 64 bit distro on it
> and a jvm that has -d64 available.

For the namenode yes. For the others, you will take a fairly big memory 
hit (1.5X object size) due to the longer pointers. JRockit has special 
compressed pointers, so will JDK 7, apparently.

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