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Date: Tue, 28 Sep 2010 14:48:53 -0500
Message-ID: <AANLkTinhakOyE7LuYHj+GXtOD3_Gqr24-NyK8feknFve@mail.gmail.com>
Subject: Re: [DISCUSSION] High-volume counters in Cassandra
From: Jonathan Ellis <jbellis@gmail.com>
To: dev <dev@cassandra.apache.org>
Content-Type: text/plain; charset=ISO-8859-1

On Tue, Sep 28, 2010 at 2:25 PM, Ryan King <ryan@twitter.com> wrote:
> Sorry, been catching up on this.
>
> From Twitter's perspective, 1546 is probably insufficient because it
> doesn't allow one to do time-series data without supercolumns (which
> might work ok, but require a good deal of work). Additionally, one of
> our deployed systems already does supercolumns of counters, which is
> not feasible in this design at all.

True, although wouldn't rows-of-counters give you basically the same
thing if 1546 kept its counters as subcolumns of a supercolumn?

-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com