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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Scan performance on a big table as combination of multiple logic tables
Date Wed, 22 Feb 2012 01:56:52 GMT
>> In the documentation 20GB is given as an example of a larger size that
>> can be supported, but nothing blocks you from going way higher than
>> that. I've done some import tests and had 100GB regions. It just takes
>> a while to compact the bigger files.
> With no impact on Java GC going nuts?  FB reported (a few months ago) it
> was bad to run a region-server
> with -Xmx larger than 15G or 16G. Unless its no longer true, wouldn't that
> be limiting factor for how
> large one should make regions?

You'll have to explain how having "big regions" means you GC at lot, I
don't see the relation.


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