Re: New feature / educational project

2011-02-14 Thread Jonathan Shook
As a suggestion for one possible approach to this: I've used the excellent MVEL (expression language) as a tool for dynamic scripting which can compile and be VM optimized to near-native speed. This may provide a means to implement dynamic-yet-efficient event handling into client or server logic.

Re: Maintenance releases

2011-02-14 Thread Jonathan Shook
As a user, this sounds like great news. To see the consensus on this issue is reassuring. For me, release stability and planning are more important that new features. I would rather wait longer for the features if it means I'm getting a solid release. It would be great if there were some clearing

Re: Storage Classes

2010-07-22 Thread Jonathan Shook
This should be on the user list. Most of what you ask can easily be found on the Cassandra wiki with a cursory search. On Jul 22, 2010 4:31 AM, "Boris Spasojevic" wrote: Hi, Which classes in Cassandra are used to store data? Where can I find info on how Cassandra persists data? Is there a way t

Re: goods search with cassandra

2010-07-19 Thread Jonathan Shook
It would be better to structure your data around your access patterns. (discussion of which goes on the user list) I'd be happy to elaborate on there. On Mon, Jul 19, 2010 at 9:29 AM, Chen Xinli wrote: > Can someone give me some advices? > > Thanks! > > -- Forwarded message -- > F

Re: Cassandra Multiple DataCenter Suitability - why?

2010-06-17 Thread Jonathan Shook
This is a (yet another) question for the users list. On Jun 17, 2010 12:50 PM, wrote: Hello, I keep reading everywhere that Cassandra has supported multiple datacenters from the beginning. I would like to know what does Cassandra do to achieve that. Is it just that the developers have written s

backlogging and scaling

2010-06-08 Thread Jonathan Shook
I'm curious if there are any efforts ongoing to amortize the background tasks in Cassandra over time? Specifically, the cost of compaction and AE, rebalancing, etc seems to be a problem for some users when they are expecting more steady-state performance. While this may sometimes be the result of a

Re: Is SuperColumn necessary?

2010-05-09 Thread Jonathan Shook
I'm not sure this is much of an improvement. It does illustrate, however, the desire to couch the concepts in terms that each is already comfortable with. Nearly every set of terms which come from an existing system will have baggage which doesn't map appropriately. Not that the "sparse multidimens