Re: Cassandra for Ad-hoc Aggregation and formula calculation

2010-12-12 Thread Aaron Morton
ds loading from different rows, I can process > the average, standard deviation and a factor roughly meaning 'how close to > Gaussian' for 1 million records in < 5 seconds. > > To reiterate, Cassandra is not the solution if you are looking for 'Database: > I

RE: Cassandra for Ad-hoc Aggregation and formula calculation

2010-12-10 Thread Dan Hendry
ommand thee to give me the average of field x.' That said, I have found its overall data-processing capabilities to be reasonably impressive. Dan -Original Message- From: Arun Cherian [mailto:archer...@gmail.com] Sent: December-10-10 16:43 To: user@cassandra.apache.org Subject: Cassandra

Cassandra for Ad-hoc Aggregation and formula calculation

2010-12-10 Thread Arun Cherian
Hi, I have been reading up on Cassandra for the past few weeks and I am highly impressed by the features it offers. At work, we are starting work on a product that will handle several million CDR (Call Data Record, basically can be thought of as a .CSV file) per day. We will have to store the data