Hi Dave I was wanting to use this in the terabyte range - so yes SCALEABLE is a must.
How easy would it be to pick the first n terms from each index that you were searching, where n would be user configurable? Pete ----- Original Message ----- From: "Dave Kor" <[EMAIL PROTECTED]> To: "Lucene Developers List" <[EMAIL PROTECTED]> Sent: Friday, June 27, 2003 8:39 AM Subject: RE: Wildcard prefix > > I wish this can be fixed too, but as the original developer of the wildcard > query and someone who has looked it it from as many angles as possible, I'ld > have to say that it is quite close to impossible to implement SCALEABLE > prefix queries with the current lucene engine design. Note that the keyword > here is scaleable. It is very possible and indeed very easy to write a > non-scaleable prefix query (I estimate about 20+ lines of code). The problem > is that this prefix query code's execution speed will slow down linearly in > proportion to the the number of unique words. In simple english, if the > search index is small and has less than.. say 50,000 unique terms this > prefix query would run reasonably fast. However when the search index > becomes large and has a few million unique terms, the same prefix query code > would run at a snail's pace. > > That is why this bug is listed as WONTFIX... no one has come up with a > simple, workable, scaleable solution. sadly I am guessing that other than a > major retrofit to the design of lucene, this issue won't go away. > > > > Dave Kor Kian Wei > Consultant > Product Engineering > NexusEdge Technologies Pte. Ltd. > 6 Aljunied Ave 3, #01-02 (Level 4) > Singapore 389932 > Tel : (+65)848-2552 > Fax : (+65)747-4536 > Web : www.nexusedge.com > > > -----Original Message----- > > From: Pete Lewis [mailto:[EMAIL PROTECTED] > > Sent: Friday, June 27, 2003 2:59 PM > > To: Lucene Developers List > > Subject: Wildcard prefix > > > > > > Hi all > > > > The only real functionality that Lucene lacks that is supplied by > > other search engines is the wildcard prefix. Other features like > > hit mark up can be worked around, but not this one. > > > > I saw that the resolution to the reported problem on this was > > WONTFIX, I was wondering whether this decision could be reviewed. > > > > Pete > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
