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From Ryan King <r...@twitter.com>
Subject Re: [DISCUSSION] High-volume counters in Cassandra
Date Tue, 28 Sep 2010 20:35:45 GMT
On Tue, Sep 28, 2010 at 12:48 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
> 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?

That would solve the first part (single-dimension time-series), but we
also do supercolumns of counters, which 1546 doesn't appear to be able
to address.

-ryan

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