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From Aaron Morton <aa...@thelastpickle.com>
Subject Re: millions of columns in a row vs millions of rows with one column
Date Mon, 21 Feb 2011 19:49:41 GMT
My preference is to go with more rows as it distributes load better. But the best design is
the one that supports your read patterns.

See http://wiki.apache.org/cassandra/LargeDataSetConsiderations for background.

Aaron

On 22/02/2011, at 3:56 AM, H├ęctor Izquierdo Seliva <izquierdo@strands.com> wrote:

> Hi Everyone.
> 
> I'm testing performance differences of millions of columns in a row vs
> millions of rows. So far it seems wide rows perform better in terms of
> reads, but there can be potentially hundreds of millions of columns in a
> row. Is this going to be a problem? Should I go with individual rows? I
> run 6 nodes with 7.2 and a RF=3.
> 
> Thanks for your help!
> 

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