I would rather write a custom scheduler and put certain topologies on specific hosts. On May 22, 2015 1:09 PM, "Mark Zang" <[email protected]> wrote:
> In a topology, some task might consumes more memories and some consumes > less. So is it supported to set task level / worker level JVM options to > set worker process JVM options? > > For example, the physical host have 48G memories. The main task prefer to > use 8G memories. But the rest just need 1G or less. So it is needed to > specify a -Xmx8g in workerOpt > > In this way, the 48G physical host can start only 6 workers. > > But it is risky to specify 8G memories and start more than 6 workers per > physical host. > > Is there a best practice to config this? > >
