Latest version of open source Java In-Memory Data Grid Hazelcast supports entry processing, multi-thread execution, continuous queries and lazy indexing. They have also re-implemented all of the ...

Want a heap dump? Check out the jmap (Java memory map) and jhat (Java heap analysis tool) shipped with Hotspot-based JVMs (Sun, OpenJDK). Looking for a bit more?

It uses Java's capabilities to memory map the input file for the most efficient direct memory access.