Sounds like Solr's faceting is exactly what you're looking for. Have you given it a try? How's it working for you?

        Erik


On Oct 14, 2008, at 5:44 AM, klazzthy wrote:


Hello,
I am going mad these days trying to improve my site. I am trying to do
something that I'm not sure if it's even possible. I would really apreciate
any advice.
I have a lucene index and I am trying to distribute my information in
different topics.
Imagine i have an index of animals. I want to distribute by animal type (cats, dogs, turtles), diet (vegetables,meat...) but don't know how many animal types we have, neigther how many kind of diet. Just know there's a
files that especifies the animal, another field for the diet...
First of all i create a queue with the most high frequency terms and once done, I use faced counts using hitcollector to check how many docs of each
"filter"
The problem is that all this process is quite slow... I am trying to find out if there's a any way to do this faster using solr or anything else.
Despite lot's of research can't get no conclusions... I would really
apreciate any help or advice...
Thank you in advanced.
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