On Wed, Jan 5, 2011 at 4:09 PM, Dave Viner wrote:
>
> "a Column Family with the row key being the Unix time divided by 60x60 and
> a column key of... pretty much anything unique"
> LogCF[hour-day-in-epoch-seconds][timeuuid] = 1
> where 'hour-day-in-epoch-seconds' is something like the first s
Some relevant information here:
https://www.cloudkick.com/blog/2010/mar/02/4_months_with_cassandra/
On Tue, Jan 4, 2011 at 10:09 PM, Dave Viner wrote:
> Hi Peter,
>
> Thanks. These are great ideas. One comment tho. I'm actually not as
> worried about the "logging into the system" performance
Hi Peter,
Thanks. These are great ideas. One comment tho. I'm actually not as
worried about the "logging into the system" performance and more
speculating/imagining the querying out of the system.
Most traditional data warehouses have a cube or a star schema or something
similar. I'm trying t
Okay, here is two ways to handle this, both are quite different from each
other.
A)
This approach does not depend on counters. You simply have a Column Family
with the row key being the Unix time divided by 60x60 and a column key of...
pretty much anything unique. Then have another process look
Does anyone use Cassandra to power an analytics or data warehouse
implementation?
As a concrete example, one could imagine Cassandra storing data for
something that reports on page-views on a website. The basic notions might
be simple (url as row-key and columns as timeuuids of viewers). But, ho
