THX!
On Wed, Jan 8, 2014 at 10:10 AM, Michael McCandless < luc...@mikemccandless.com> wrote: > NRTManager was renamed to ControlledRealTimeReopenThread at some point. > > But likely simple NRT readers (as Ian described, using > .openIfChanged()) will fit your usage. > > ControlledRealTimeReopenThread is only necessary if you require > certain searches to be real-time, e.g. you just indexed a document and > then want to run a search that you know reflects that document. > > Mike McCandless > > http://blog.mikemccandless.com > > > On Tue, Jan 7, 2014 at 8:41 AM, Klaus Schaefers > <klaus.schaef...@ligatus.com> wrote: > > Hi, > > > > > > I was looking for some examples but I just found some using an NRTManager > > class? In Lucene 4.5 I cannot find the class (missing a maven > dependency?). > > Can anyone point me to a working example? > > > > Cheers, > > > > Klaus > > > > > > > > On Fri, Jan 3, 2014 at 11:49 AM, Ian Lea <ian....@gmail.com> wrote: > > > >> You will indeed get poor performance if you commit for every doc. Can > >> you compromise and commit every, say, 1000 docs, or once every few > >> minutes, or whatever makes sense for your app. > >> > >> Or look at lucene's near-real-time search features. Google "Lucene > >> NRT" for info. > >> > >> Or use Elastic Search. > >> > >> > >> -- > >> Ian. > >> > >> > >> On Fri, Jan 3, 2014 at 10:21 AM, Klaus Schaefers > >> <klaus.schaef...@ligatus.com> wrote: > >> > Hi, > >> > > >> > I am trying to use a lucene as a kind of key value store, but I > >> encountered > >> > some bad performance issues. When I try to add my data as documents to > >> the > >> > index I get an average write rate of 3 documents / second!! This > seems to > >> > me ridiculously slow and I guess I must have somewhere an error. > Please > >> > have a look at my code: > >> > > >> > > >> > > >> > Directory dir = new niofsdirectojava-u...@lucene.apache.org! > >> > java-user@lucene.apache.org!ry(file); > >> > Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_45); > >> > IndexWriterConfig config = new > >> IndexWriterConfig(Version.LUCENE_45, > >> > analyzer); > >> > IndexWriter writer = new IndexWriter(dir, config); > >> > > >> > int eventCount = 1000; > >> > for(int i=0; i < eventCount;i++){ > >> > Document doc = new Document(); > >> > doc.add(new StringField("id", i+"id" ,Store.YES)); > >> > doc.add(new StoredField("b", buildVector())); > >> > writer.addDocument(doc); > >> > writer.commit(); > >> > } > >> > dir.close(); > >> > writer.close() > >> > > >> > > >> > Not calling the commit function seems to fix the issue, but I guess > this > >> > would then have some issues if I want to read values in the mean > time. My > >> > normal use case would be to read something from the index, maybe > alter it > >> > and then write back. So I would have roughly 50% of reads. > >> > > >> > I tried also an embedded version of elastic search and it manages to > go > >> to > >> > 2000 documents/ per second. As its based on lucene as well I guess I > do > >> > something wrong in my code. > >> > > >> > > >> > THX for the help, > >> > > >> > Klaus > >> > > >> > > >> > -- > >> > > >> > -- > >> > > >> > Klaus Schaefers > >> > Senior Optimization Manager > >> > > >> > Ligatus GmbH > >> > Hohenstaufenring 30-32 > >> > D-50674 Köln > >> > > >> > Tel.: +49 (0) 221 / 56939 -784 > >> > Fax: +49 (0) 221 / 56 939 - 599 > >> > E-Mail: klaus.schaef...@ligatus.com > >> > Web: www.ligatus.de > >> > > >> > HRB Köln 56003 > >> > Geschäftsführung: > >> > Dipl.-Kaufmann Lars Hasselbach, Dipl.-Kaufmann Klaus Ludemann, > >> > Dipl.-Wirtschaftsingenieur Arne Wolter > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > >> > >> > > > > > > -- > > > > -- > > > > Klaus Schaefers > > Senior Optimization Manager > > > > Ligatus GmbH > > Hohenstaufenring 30-32 > > D-50674 Köln > > > > Tel.: +49 (0) 221 / 56939 -784 > > Fax: +49 (0) 221 / 56 939 - 599 > > E-Mail: klaus.schaef...@ligatus.com > > Web: www.ligatus.de > > > > HRB Köln 56003 > > Geschäftsführung: > > Dipl.-Kaufmann Lars Hasselbach, Dipl.-Kaufmann Klaus Ludemann, > > Dipl.-Wirtschaftsingenieur Arne Wolter > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > -- -- Klaus Schaefers Senior Optimization Manager Ligatus GmbH Hohenstaufenring 30-32 D-50674 Köln Tel.: +49 (0) 221 / 56939 -784 Fax: +49 (0) 221 / 56 939 - 599 E-Mail: klaus.schaef...@ligatus.com Web: www.ligatus.de HRB Köln 56003 Geschäftsführung: Dipl.-Kaufmann Lars Hasselbach, Dipl.-Kaufmann Klaus Ludemann, Dipl.-Wirtschaftsingenieur Arne Wolter
