Re: Data model for counting uniques online

2011-11-10 Thread Silviu Matei
what about keeping a record per device and recording there that you've seen it, and only incrementing the counters (or a different set of counters) based on that? On Wed, Nov 9, 2011 at 6:09 PM, Philippe wrote: > Hello, I'd like to get some ideas on how to model counting uniques with > cassandr

Data model for counting uniques online

2011-11-09 Thread Philippe
Hello, I'd like to get some ideas on how to model counting uniques with cassandra. My use-case is that I have various counters that I increment based on data received from multiple devices. I'd like to be able to know if at least X unique devices contributed to a counter value. I've thought of the