Re: Finding new Cassandra data

2010-06-22 Thread Phil Stanhope
I can envision two fundamentally different approaches: 1. A CF that is CompareWith LONG ... use microsecond timestamps as your keys ... then you can filter by time ranges. This implies that you are willing to do a double write (once for the original data and then again for the logging). And a t

Re: Finding new Cassandra data

2010-06-22 Thread Gary Dusbabek
On Tue, Jun 22, 2010 at 09:59, David Boxenhorn wrote: > In my system, I have a Cassandra front end, and an Oracle back end. Some > information is created in the back end, and pushed out to the front end, and > some information is created in the front end and pulled into the back end. > > Question:

Finding new Cassandra data

2010-06-22 Thread David Boxenhorn
In my system, I have a Cassandra front end, and an Oracle back end. Some information is created in the back end, and pushed out to the front end, and some information is created in the front end and pulled into the back end. Question: How do I locate new rows that have been crated in Cassandra, fo