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From Jonathan Ellis <>
Subject Re: Do supercolumns have a purpose?
Date Fri, 04 Feb 2011 01:45:08 GMT
On Thu, Feb 3, 2011 at 3:35 PM, Mike Malone <> wrote:
> It seems to me that super columns are a historical artifact from Cassandra's
> early life as Facebook's inbox storage system. They needed posting lists of
> messages, sharded by user. So that's what they built. In my dealings with
> the Cassandra code, super columns end up making a mess all over the place
> when algorithms need to be special cased and branch based on the
> column/supercolumn distinction.
> I won't even mention what it does to the thrift interface.


Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support

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