On Tue, Sep 28, 2010 at 3:35 PM, Ryan King <r...@twitter.com> wrote: > On Tue, Sep 28, 2010 at 12:48 PM, Jonathan Ellis <jbel...@gmail.com> wrote: >> On Tue, Sep 28, 2010 at 2:25 PM, Ryan King <r...@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.
Right, I'm saying that "rows of counters + get_range_slices" looks a lot like "supercolumns of counters + get_slice" to me. -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
