Any suggestions for number of cores / heap size for g1 or cms?

[Damon Hart-Davis]

Indeed how well does it do on a single core?

Rgds

Damon


On 25 Jan 2013, at 00:29, Ryan Gardner wrote:

> We have a non-cpu intensive app that is licensed based on cpu cores.
> 
> We want to use as much heap as is reasonable without having large pauses.
> 
> I've only deployed g1 on machines with lots of cores - how well does it work on fewer cores? If we had a live set of 32gb and a heap of 72gb with a relatively small object allocation rate would g1 have low pause times with 4 or 8 physical cores?
> 
> It doesn't matter too much how long the concurrent phase is - just the pause parts that matter.
> 
> Any tips/suggestions?
> 
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