Hi.
> With regards to memory, have you tried the compressed pointers JDK option > (we saw great benefits on the NN)? Java is incredibly hard to get a > straight answer from with regards to memory. You need to perform a GC first > manually - the actual usage is the amount it reports used post-GC. You can > get these details by using JMX. > > Will compressed pointers be used as standard in future versions of Hadoop? Regards.
