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HBase >> mail # user >> Multiple region servers per physical node

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Re: Multiple region servers per physical node
Have you seen this thread ?


On Mon, Jul 29, 2013 at 2:19 PM, Sudarshan Kadambi (BLOOMBERG/ 731 LEXIN) <

> If someone was contemplating running multiple HBase region servers per
> node, what would you tell him? I've lots of RAM on my machines and I want
> HBase to be able to make the most of it. Heaps larger than 12-16G have
> significant gc penalties. I could try to have a larger cache off-heap, but
> that feature is considered to be not fully baked in yet (according to
> people in the know). The option left over is to run multiple region servers
> per node. What are the downsides to that?
> Regards,
> -sudarshan