I've searched for many times but not found the solution. It's really a problem to me.
Thanks! Erick Erickson wrote: > > Also, search the mail archive for the word "faceting", this topic has > been discussed many times, and there's quite a bit of information > about this topic. > > Best > Erick > > On 9/22/07, newbieoflucene <[EMAIL PROTECTED]> wrote: >> >> >> 2-3G index data with 20M records, and each record has 10 or more fields, >> 3-5 >> fields are group fields, which I want to count them for returned results >> after searching. These group fields contains about 1000 or more values. >> It >> means that I would count 1000 categories for each search. >> >> Due to the searched results number will be very big, so iterator each >> record >> with HitCollector that is too slow to count all of records (counting will >> cost about 30 seconds) >> >> Unfortunately, If I use QueryFilter to query each category one by one and >> save it to BitSet, but the number of category is about 1000, I've to >> filter >> it about 1000 times to count each category. It still consumed about 20 >> seconds. >> >> Is there any better way to count these categories faster and low memory? >> >> Any idea is appreciated! >> -- >> View this message in context: >> http://www.nabble.com/How-to-count-categories--tf4500720.html#a12835751 >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > -- View this message in context: http://www.nabble.com/How-to-count-categories--tf4500720.html#a12852707 Sent from the Lucene - Java Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
