I also not that this is a fundamental characteristic of the great performance of Lucene and its related products since it allows cleanly managed resources. "this" is generally called paging.
paul Le 28 déc. 2010 à 10:32, Uwe Schindler a écrit : > The TopDocs returning methods are not intended to get all results, so Max Int > is not a valid value. The maximum hit count allocates a PriorityQueue with so > many slots. To retrieve all hits (unsorted) you have to write your own > collector. But that is not the natural use case for a full text engine, which > is to return the top n ranking results. For this reason its not allowed to go > beyond page 50 or like that in Google (just as example). So choose n as big > as how many top ranking results you are interested in. This number is > normally not so big, as most users are only interested in top ranking results. > > Uwe > > > > "Jawahar Lal" <j...@chambal.com> schrieb: > >> I am using lucene 3.0.3 >> >> On 28 December 2010 14:06, Laxmilal Menariya <lmena...@chambal.com> >> wrote: >> >>> Which version you are trying of lucene ? >>> >>> On Tue, Dec 28, 2010 at 12:30 PM, Jawahar Lal <j...@chambal.com> >> wrote: >>> >>>> Hi, >>>> >>>> I am using multiSearcher as >>>> >>>> objMultiSearcher.search(query,null,Integer.MaxValue); >>>> >>>> I searched a query, which should & does not return any hit. As I >> run the >>>> query, the above statement throw OutofMemory exception. I change >> the >>>> Integer.MaxValue TO 100, then I again searched, it returned 0 hit. >>>> >>>> Why its thowing memory exception, even there is not hit found for >> the >>> query >>>> ? >>>> >>>> Thanks >>>> >>> >>> >>> >>> -- >>> Thanks, >>> Laxmilal Menariya >>> > > -- > Uwe Schindler > H.-H.-Meier-Allee 63, 28213 Bremen > http://www.thetaphi.de > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
