Aha! Thanks for bringing closure... Mike McCandless
http://blog.mikemccandless.com On Sat, Jan 21, 2017 at 4:24 PM, Rob Audenaerde <rob.audenae...@gmail.com> wrote: > Hi Mike, > > I was curious too, so with the help of your hint I did some more digging. > You were correct, as I found two occurences using this construction: > > final TopDocs topDocs = indexSearcher.search(pageQuery, > Integer.MAX_VALUE); > > As there are 4.5M documents in this specific index, this caused many calls. > > Thanks! > > -Rob > > > > On Fri, Jan 20, 2017 at 5:23 PM, Michael McCandless > <luc...@mikemccandless.com> wrote: >> >> It's curious that you see this as a hot spot. >> >> Are you collecting a very large top N docs, relative to how many hits >> the queries match, maybe? >> >> I don't think we can make this a static instance: the collection >> process will re-use the entry it pulls out of the queue. >> >> Mike McCandless >> >> http://blog.mikemccandless.com >> >> >> On Fri, Jan 20, 2017 at 10:39 AM, Rob Audenaerde >> <rob.audenae...@gmail.com> wrote: >> > Hi all, >> > >> > I'm currently looking at the performance of our application, and I see a >> > lot >> > of time being spent in HitQueue.getSentinelObject() (I track this >> > using >> > the VisualVM sampler) >> > >> > When I look at the implementation, I see a new ScoreDoc is constructed >> > each >> > time. Is this necessary? Maybe a static will improve the performance a >> > bit? >> > >> > >> > @Override >> > protected ScoreDoc getSentinelObject() { >> > // Always set the doc Id to MAX_VALUE so that it won't be favored by >> > // lessThan. This generally should not happen since if score is not >> > NEG_INF, >> > // TopScoreDocCollector will always add the object to the queue. >> > return new ScoreDoc(Integer.MAX_VALUE, Float.NEGATIVE_INFINITY); >> > } >> > >> > Thanks in advance, >> > - Rob > > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org
