Interesting, I hadn't though about it that way.  Thanks for the info

On Mar 16, 2012, at 5:54 PM, vlad wrote:

> Daniel keep in mind that you data is still co-hosted with dozens or hundreds 
> on other apps on the same physical node. That is what makes performance 
> volatile not M/S vs HRD. HRD did solve the problem for writes somewhat but 
> not for reads. Fundamentally if an app which runs on the same node is really 
> active *your* app's performance will suffer. So it is dump luck. Since you 
> got a new appid when migrating you got new "neighbors" so to speak - apps 
> which share bigtable node with your app.
> 
> 
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