Buying more RAM only gets you so far. G1 handles large heaps fairly well, but you can still run into issues with long pauses if you are not careful and those pa

Buying more RAM only gets you so far. G1 handles large heaps fairly well, but you can still run into issues with long pauses if you are not careful and those pauses increase with the size of the heap. Most real time services don't have the luxury of manually triggering GCs and must do whatever they can to limit the stress they put on the collector.