Re: Simple Compression Idea

2011-01-31 Thread Mike Malone
I don't see anything inherently wrong with your proposal, it would almost definitely be beneficial in certain scenarios. We use what could be called "static compression" (golomb-esque encodings) for some data types on our Cassandra clusters. It's useful for representing things like full precision d

Re: Atomic Compare and Swap

2010-06-23 Thread Mike Malone
On Wed, Jun 23, 2010 at 4:51 AM, aaron morton wrote: > I've been playing with something like CAS, it's not the same but it may be > of interest. > > I write some data into Cassandra with quorum or better consistency, that > allows me to assert what it should look like when read back. If the > asse

Re: Atomic Compare and Swap

2010-06-22 Thread Mike Malone
I'd be interested in what the folks who want CAS implementations think about vector clocks. Can you use them to fulfill your use cases? If not, why not? I ask because I have found myself wanting CAS in Cassandra too, but I think that's only because I'm pretty familiar with HTTP. I think vector clo

Re: Is SuperColumn necessary?

2010-05-06 Thread Mike Malone
On Thu, May 6, 2010 at 5:38 PM, Vijay wrote: > I would rather be interested in Tree type structure where supercolumns have > supercolumns in it. you dont need to compare all the columns to find a > set of columns and will also reduce the bytes transfered for separator, at > least string conca