That's a good idea, if your index is "large enough", and/or you make heavy use of FieldCache (eg, sorting by field), regardless of whether you use NRT or "normal" commit + reopen to reopen your reader.
Mike McCandless http://blog.mikemccandless.com On Sun, Oct 30, 2011 at 7:36 PM, Denis Bazhenov <dot...@gmail.com> wrote: > Well, if so I guess I should use IndexWarmer to warm up IndexReader before > publishing reference to search clients. At least it will pre read all the > segments in RAM before issuing search. > > On Oct 17, 2011, at 9:47 PM, Michael McCandless wrote: > >> You'll have to call .commit() from the IndexWriter to make the changes >> externally visible. >> >> The call IndexReader.reopen to get a reader seeing the committed >> changes; the reopen will be efficient (only open "new" segments vs the >> old reader). >> >> It's still best to use near-real-time reader when possible (ie, open >> the IndexReader from the IndexWriter), but it sounds like in your case >> this is not possible since writer and reader on different >> JVMs/machines across a network. >> >> Mike McCandless >> >> http://blog.mikemccandless.com >> >> On Sun, Oct 16, 2011 at 10:32 PM, Denis Bazhenov <dot...@gmail.com> wrote: >>> We have situation when lucene index is replicated over network. And on that >>> machine reader reopen doesn't make new documents visible to a search. >>> >>> As far as I know IndexReader.reopen() call does work only if changes are >>> applied using the linked IndexWriter. My question is: how can I implement >>> efficient index reopen (only new segments should be read) when index is >>> changed externally? >>> --- >>> Denis Bazhenov <dot...@gmail.com> >>> >>> >>> >>> >>> >>> >>> --------------------------------------------------------------------- >>> 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 >> > > --- > Denis Bazhenov <dot...@gmail.com> > > > > > > > --------------------------------------------------------------------- > 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
