For app side filtering, you may want to look at Sphinx Search:


On Mar 26, 2:41 pm, "M. Edward (Ed) Borasky" <zzn...@gmail.com> wrote:
> On 03/26/2010 10:32 AM, John Kalucki wrote:
> > The combinatorics don't work out here until we offer boolean AND. Tokens are
> > thrown against a HashMap to determine delivery. It's not really feasible to
> > also throw arbitrary combinations of tokens against the HashMap. If we ever
> > support AND, then you could search for ow AND ly.
> > You'll have to over-request and filter on your end.
> This may have to wait till Chirp, but as long as we're on the subject of
> "filtering at the consumer end", how good is *Cassandra* at that sort of
> filtering, relative to all the other databases, NoSQL and "traditional"
> ACID-compliant RDBMS? And how good is Cassandra relative to Hadoop?
> I've been thinking PostgreSQL in my designs, mostly because it's the one
> I know best, it's solid as a rock and I have friends who will disown me
> if I use MySQL. ;-) But using the same DB as Twitter has an appeal to it
> just because you *do* use it. And, of course, because NoSQL databases
> are cool and geeky. ;-)

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