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From Stack <st...@duboce.net>
Subject Re: Scan performance on a big table as combination of multiple logic tables
Date Wed, 22 Feb 2012 02:16:06 GMT
On Tue, Feb 21, 2012 at 5:44 PM, M. C. Srivas <mcsrivas@gmail.com> wrote:
> 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?

We don't bring the total region into memory Srivas (Is that what you
are thinking?).

The FB recommendation of > 15G heaps was probably the old adage around
big heaps taking a long time to sweep when GCing?

Good on you,

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