I created LUCENE-2276 a couple of days ago to at least allow reusing Document objects (didn't see any interest from anyone though)
-- Tim Erick Erickson wrote: > OK, never mind <G>.... > > Erick > > On Thu, Feb 25, 2010 at 1:48 PM, Earwin Burrfoot <ear...@gmail.com > <mailto:ear...@gmail.com>> wrote: > > My issue is with extra objects created in the process. Field selection > can be handled with, well, FieldSelector. > > 2010/2/25 Erick Erickson <erickerick...@gmail.com > <mailto:erickerick...@gmail.com>>: > > Does LazyLoading address this? I'm assuming your issue is > > that the default behavior loads the entire document regardless > > of whether you actually want all the fields..... > > Erick > > > > On Thu, Feb 25, 2010 at 7:52 AM, Earwin Burrfoot > <ear...@gmail.com <mailto:ear...@gmail.com>> wrote: > >> > >> I'm thinking, should Lucene introduce new interface to read stored > >> document fields? > >> > >> Current 'Document document(int n)' mechanism is barely usable > due to > >> overhead involved. While I believe underlying index structure works > >> pretty fast (if it fits in memory, as is the case for most > >> performance-concerned installations), there's no adequate > access to it > >> and people are forced to introduce contraptions like LinkedIn's > >> payload-assisted luceneId<->appId mapping or similar caches we > employ. > >> > >> What I am thinking about is something along the lines of existing > >> iterators like TermDocs/TermPositions. Iterate over docs, then > iterate > >> over fields stored for each, extract data, ???, profit. > >> Comments? > >> > >> -- > >> Kirill Zakharenko/Кирилл Захаренко (ear...@gmail.com > <mailto:ear...@gmail.com>) > >> Home / Mobile: +7 (495) 683-567-4 / +7 (903) 5-888-423 > >> ICQ: 104465785 > >> > >> > --------------------------------------------------------------------- > >> To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org > <mailto:java-dev-unsubscr...@lucene.apache.org> > >> For additional commands, e-mail: > java-dev-h...@lucene.apache.org > <mailto:java-dev-h...@lucene.apache.org> > >> > > > > > > > > -- > Kirill Zakharenko/Кирилл Захаренко (ear...@gmail.com > <mailto:ear...@gmail.com>) > Home / Mobile: +7 (495) 683-567-4 / +7 (903) 5-888-423 > ICQ: 104465785 > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org > <mailto:java-dev-unsubscr...@lucene.apache.org> > For additional commands, e-mail: java-dev-h...@lucene.apache.org > <mailto:java-dev-h...@lucene.apache.org> > >
