> I'm wondering how or if it's possible to implement efficient wildcards at 
> both ends, e.g. *string*
No. 

> - if I can get another equality constraint which narrows down potential 
> result set significantly, I can do a scan. I'm not sure how feasible this is 
> without benchmarks. Does any one know if I can scan couple hundreds / 
> thousands in a 3 node replication factory=2 cluster quickly?

Not efficiently. 

If you need full text capabilities look at Solr, Solandra (the solr to 
cassandra port) or Data Stax Enterprise. 

Cheers


-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 21/06/2012, at 2:20 AM, Sam Z J wrote:

> Hi all
> 
> I'm wondering how or if it's possible to implement efficient wildcards at 
> both ends, e.g. *string*
> 
> I can think of a few options... please comment, thanks =D
> 
> - if I can get another equality constraint which narrows down potential 
> result set significantly, I can do a scan. I'm not sure how feasible this is 
> without benchmarks. Does any one know if I can scan couple hundreds / 
> thousands in a 3 node replication factory=2 cluster quickly?
> 
> - for each string I have, index all the prefixes in a column family, e.g. for 
> string 'string', I'd have rows string, strin, stri, str, st, s, with column 
> values somehow pointing back as row keys. This almost blows up the storage 
> needed =/ (also, what do I do if I hit the 2billion row width limit? is there 
> a way to say 'insert into another row if the current one is full'?)
> 
> thanks
> 
> -- 
> Zhongshi (Sam) Jiang
> sammyjiang...@gmail.com

Reply via email to