@posco Is it known CMS behavior that ++ w.r.t. heavy hitters is kinda "broken" because for heavy hitters ++ is not associative?
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@avibryant@posco Sure, np. Given this limitation of topN CMS, I begin to feel it should not be included in AB or only with a big warning :)Thanks. Twitter will use this to make your timeline better. UndoUndo
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@avibryant@posco What's the key difference between using a top-sth CMS vs. SpaceSaver? (I'm not that familiar with the latter yet.)
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