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54 discussions - 183 posts

  • I have a class that extends FilterCodec. Written against Lucene 4.9, it uses the Lucene49Codec. Dropped into a copy of Solr with Lucene 4.10, it discovers that this codec is read-only in 4.10. Is ...
    Benson MarguliesBenson Margulies
    Feb 12, 2015 at 1:12 am
    Feb 13, 2015 at 11:11 am
  • Hi Lucene users, I am in the beginning of implementing a Lucene application which would supposedly search through some log files. One of the requirements is to return results between a time range ...
    Gergely NagyGergely Nagy
    Feb 9, 2015 at 7:54 am
    Feb 12, 2015 at 1:04 am
  • Hello. A little bit delayed question. But recently I have found this articles: https://wiki.apache.org/solr/SolrPerformanceProblems https://wiki.apache.org/solr/ShawnHeisey#GC_Tuning Especially this ...
    Piotr IdzikowskiPiotr Idzikowski
    Feb 6, 2015 at 10:38 am
    Feb 12, 2015 at 5:13 pm
  • Hi, Which is the best method to search in attachments in lucene? I am new to lucene and I am using version 4.10.2. By making use of Tika, I know I can convert files to text and then index it as ...
    Sreedevi sSreedevi s
    Feb 10, 2015 at 8:25 am
    Feb 10, 2015 at 10:00 am
  • Hi, Can someone help me if this use case is possible or not with lucene Use case: I have a string say 'Japan' appearing in 10 documents and I want to get back , say some results which contain two ...
    Maisnam NsMaisnam Ns
    Feb 12, 2015 at 4:42 pm
    Feb 12, 2015 at 6:56 pm
  • Hello, I have a rather simple query. I have a list where I have terms like and then my query is more natural language. I want to be able to retrieve matches that has atleast 2 words in common between ...
    Deepak GopalakrishnanDeepak Gopalakrishnan
    Feb 17, 2015 at 4:59 pm
    Feb 18, 2015 at 5:57 pm
  • Hi, Can someone help me with this use case: 1. I have to search a string and let's say the search engine(it is not lucene) found this string in 100,000 documents. I need to find the top 10 words ...
    Maisnam NsMaisnam Ns
    Feb 13, 2015 at 4:44 pm
    Feb 16, 2015 at 4:46 am
  • Hi, i want to combine two MultiTermQueries. One searches over FieldA, one over FieldB. Both queries should be combined with "OR" operator. so in lucene Syntax i want to search FieldA:Term1 OR ...
    Sascha JanzSascha Janz
    Feb 10, 2015 at 3:29 pm
    Feb 11, 2015 at 3:39 pm
  • Hello, I've done a lot of googling, but haven't stumbled upon the magic answer: how does one use StandardQueryParser with numeric fields representing timestamps, to allow for range queries? When ...
    Jon StewartJon Stewart
    Feb 11, 2015 at 4:22 am
    Feb 11, 2015 at 2:57 pm
  • We use MMapdirectory impl. in our search application. Occasionally we need to do a full indexing by dropping entire directory contents. How does re-mapping work with MMapDirectory as the directory ...
    Vijay BVijay B
    Feb 10, 2015 at 6:33 pm
    Feb 10, 2015 at 9:40 pm
  • Hi, I am doing some performance analysis with lucene. I have 1 million resources with 1000 attributes. According to how I index, I will have 1 million documents with 1000 fields. For me the total ...
    Sreedevi sSreedevi s
    Feb 5, 2015 at 9:13 am
    Mar 2, 2015 at 9:37 pm
  • After upgrading to Lucene 5 one of my unittest which tests sorting fails with: unexpected docvalues type NONE for field 'providertestfield' (expected=SORTED). Use UninvertingReader or index with ...
    Clemens Wyss DEVClemens Wyss DEV
    Feb 23, 2015 at 12:26 pm
    Feb 24, 2015 at 6:25 am
  • Hello, i am trying to index a file (Lucene 4.10.3) – in my opinion in the correct way – will say: get the IndexWriter, Index the Doc and add them, prepare commit, commit and finally{ close}. My ...
    Just SpamJust Spam
    Feb 23, 2015 at 1:00 pm
    Feb 23, 2015 at 4:39 pm
  • Hello Lucene Users, I am traversing all documents that contains a given term with following code : Term term = new Term(field, word); Bits bits = MultiFields.getLiveDocs(reader); DocsEnum docsEnum = ...
    Ahmet ArslanAhmet Arslan
    Feb 6, 2015 at 12:26 am
    Feb 8, 2015 at 9:16 am
  • Hey all, I have a large boolean query in lucene which can be minimized to a smaller version with fewer clauses. Does Lucene automatically minimize complex boolean queries to simpler versions before ...
    Apurv VermaApurv Verma
    Feb 2, 2015 at 10:39 am
    Feb 2, 2015 at 3:35 pm
  • Hi! I have problems getting distance sorting to work in Lucene Spatial. (I'm using v4.10.3.) I'm following the SpatialExample.java from the Lucene docs. My code is below (it's Scala, but translates ...
    Simon RainerSimon Rainer
    Feb 25, 2015 at 12:19 pm
    Feb 26, 2015 at 9:59 am
  • Hello, Can someone explain to me how to view the demo source code for Lucene 5.0? I see a jar file, but no .java files. I'm particularly interested in faceted search. thank you -Todd
    Todd FielderTodd Fielder
    Feb 24, 2015 at 9:45 pm
    Feb 25, 2015 at 1:05 am
  • 20 February 2015, Apache Lucene™ 5.0.0 available The Lucene PMC is pleased to announce the release of Apache Lucene 5.0. Apache Lucene is a high-performance, full-featured text search engine library ...
    Anshum GuptaAnshum Gupta
    Feb 20, 2015 at 8:56 pm
    Feb 20, 2015 at 9:25 pm
  • Apologies if I have missed it in discussions prior but I looked all over. I looked at the Luke code and it does find high frequency terms on the entire index. I am trying to get the top N high ...
    Shouvik BardhanShouvik Bardhan
    Feb 15, 2015 at 5:00 pm
    Feb 19, 2015 at 2:23 pm
  • We have a requirement in that E-mail addresses need to be added in a tokenized form to one field while untokenized form is added to another field Ex: "I have mailed <span class="m_body_email_addr" ...
    Ravikumar GovindarajanRavikumar Govindarajan
    Feb 17, 2015 at 8:51 am
    Feb 17, 2015 at 12:00 pm
  • Hi, I'm interested in using Lucene to index binary objects with a specific document order, such that documents with the same key will be adjacent in the indexes. This would be done with the intent to ...
    Elliott BradshawElliott Bradshaw
    Feb 17, 2015 at 6:04 am
    Feb 17, 2015 at 6:04 am
  • Hi, Can someone help me with this use case. Use case: Say there are 4 key words 'Flying', 'Shooting', 'fighting' and 'looking' in100 documents to search for. Consider 'Flying' and 'Shooting' co- ...
    Maisnam NsMaisnam Ns
    Feb 12, 2015 at 5:44 pm
    Feb 13, 2015 at 8:31 pm
  • Hi, reading the release notes from here: https://wiki.apache.org/lucene-java/ReleaseNote50 its written that Lucene got a new DateRangeField: * New DateRangeField type enables Indexing and searching ...
    Torsten KrahTorsten Krah
    Feb 25, 2015 at 9:55 am
    Feb 25, 2015 at 2:45 pm
  • Hello, Doesn't Lucene have a Tokenizer/Analyzer for Brown Corpus? There doesn't seem to be such tokenizers/analyzers in Lucene. As I didn't want re-inventing the wheel, so I googled, I got the list ...
    Koji SekiguchiKoji Sekiguchi
    Feb 24, 2015 at 6:46 am
    Feb 24, 2015 at 3:31 pm
  • My custom Analyzer had the following (Lucene 4) impl of createComponents: protected TokenStreamComponents createComponents ( final String fieldName, final Reader reader ) { Tokenizer source = new ...
    Clemens Wyss DEVClemens Wyss DEV
    Feb 23, 2015 at 11:42 am
    Feb 23, 2015 at 4:34 pm
  • When I index a Document with an IntField and then find that very Document the former IntField is returned as StoredField. How do I determine the "original" fieldtype (IntField, LongField, DoubleField ...
    Clemens Wyss DEVClemens Wyss DEV
    Feb 19, 2015 at 12:24 pm
    Feb 19, 2015 at 3:29 pm
  • Hi, Can someone help me with querying terms ending with 'ing' with Lucene. I tried searching with '*ing' , it is saying query string cannot start with * , but I would like to get all words ending ...
    Maisnam NsMaisnam Ns
    Feb 17, 2015 at 5:19 am
    Feb 17, 2015 at 7:58 am
  • Hi folks I have a question as follows: suppose there are 3 document in field "name": 1) a b c 2) a b 3) a I just want to retrival doc 3) only. I try to use syntax like this: name:"a" but I find it is ...
    Feb 11, 2015 at 7:55 am
    Feb 12, 2015 at 1:44 am
  • Hi, I would like to index documents which contain term frequencies instead of the actual text. For example, instead of getting "The big wolf ate the big sheep" I would get "the|2 big|2 wolf|1 ate|1 ...
    Stephen FenechStephen Fenech
    Feb 11, 2015 at 12:55 pm
    Feb 11, 2015 at 4:18 pm
  • Hello, I am trying to understand whether I am using the NOT operator correctly. I have the following scenario: Query 1 = body:(a OR NOT b) This is parsed as: (body:a) -(body:b) and finds 96,620 hits ...
    Ian KoellikerIan Koelliker
    Feb 8, 2015 at 9:47 am
    Feb 8, 2015 at 10:44 am
  • Hello. After upgrade to 5.0.0 FieldValueFilter no longer works for fields that are not in DocValues. I have large indexes (around half a billion documents each) and I do not want to duplicate data ...
    Artem RedkinArtem Redkin
    Feb 27, 2015 at 2:42 pm
    Feb 27, 2015 at 9:02 pm
  • Hi, looking at the Changes.html or Migrate.html there is only mentioned that the FieldCache is gone. However there was also a FieldCacheRangeFilter in 4.10.x - guess its gone too? For the missing ...
    Torsten KrahTorsten Krah
    Feb 26, 2015 at 7:35 am
    Feb 26, 2015 at 8:59 am
  • fellas, I am wondering if it is possible to wrap payload query with customscorequery, so that one can tweak the search score with both payload similarity and a customized score provider? This is ...
    Feb 11, 2015 at 8:58 pm
    Feb 23, 2015 at 5:34 pm
  • Hi, I am trying to get the top occurring words by building a memory index using lucene using the code below but I am not getting the desired results. The text contains 'freedom' three times but it ...
    Maisnam NsMaisnam Ns
    Feb 22, 2015 at 11:49 am
    Feb 22, 2015 at 1:25 pm
  • Hi, This is a question to confirm my understanding of lucene when used along with databases and clear my doubts. Lucene can be used to read from databases(both sql and nosql) but there is no api that ...
    Sreedevi sSreedevi s
    Feb 11, 2015 at 8:56 am
    Feb 11, 2015 at 9:43 am
  • Dear Lucene Team, Please add me to the contributorsGroup so that I can add IntraCherche which is actually based on Lucene. Kind regards,
    Charlie PicoriniCharlie Picorini
    Feb 10, 2015 at 1:23 pm
    Feb 10, 2015 at 2:28 pm
  • I've run into an exception, and I'm trying to understand whether it is something that can just happen if the index doesn't conform to the expectations of the TPBJQ, or if I've somehow messed things ...
    Michael SokolovMichael Sokolov
    Feb 5, 2015 at 5:05 pm
    Feb 8, 2015 at 9:39 am
  • Hi all, I'm doing some analytics with a custom Collector on a fairly large number of searchresults (+-100.000, all the hits that return from a query). I need to retrieve them by a query (so using ...
    Rob AudenaerdeRob Audenaerde
    Feb 5, 2015 at 7:17 am
    Feb 5, 2015 at 2:43 pm
  • hi, i am a fan of lucene.i am recently puzzled by performance problem using lucene while the search result set is large. do you have any advice? as an web application, the exceeding 120 seconds' ...
    Feb 5, 2015 at 3:25 am
    Feb 5, 2015 at 9:21 am
  • Hi all, an Analyzer has access to content on a per-field level by overwriting this method: protected TokenStreamComponents createComponents(String fieldName, Reader reader); Is it possible to get to ...
    Ralf BierigRalf Bierig
    Feb 4, 2015 at 12:45 pm
    Feb 4, 2015 at 3:17 pm
  • Hi, looking at the JavaDoc of StringField it says: /** A field that is indexed but not tokenized: the entire * String value is indexed as a single token. For example * this might be used for a ...
    Torsten KrahTorsten Krah
    Feb 27, 2015 at 2:59 pm
    Feb 27, 2015 at 2:59 pm
  • (I'm using Lucene 4.9.0) I've been doing some perf testing of MemoryIndex, and have found that it is much slower when a BooleanQuery contains a non-required clause, compared to when it just contains ...
    Ryan, Michael F. (LNG-DAY)Ryan, Michael F. (LNG-DAY)
    Feb 23, 2015 at 5:51 pm
    Feb 23, 2015 at 5:51 pm
  • i use TermsQuery for creating a join query. the list of terms could be quite large. e.g. million entries. when this is the case, the IntroSorter sorting the terms becomes a performance bottleneck ...
    Sascha JanzSascha Janz
    Feb 23, 2015 at 3:10 pm
    Feb 23, 2015 at 3:10 pm
  • Hi all, I'm using Apache Lucene and currently trying to combine Fuzzy and Prefix (or Wildcard) query to implement a kind of suggestion mechanism. For example, if the query is "levy", a document ...
    Yossi VainshteinYossi Vainshtein
    Feb 18, 2015 at 2:02 pm
    Feb 18, 2015 at 2:02 pm
  • Sorry for cross-posting, but the tika-ml does not seem to be too "lively": I am trying to make use of the ForkParser. Unfortunately I am getting „Lost connection to a forked server process“ for an ...
    Clemens Wyss DEVClemens Wyss DEV
    Feb 18, 2015 at 7:33 am
    Feb 18, 2015 at 7:33 am
  • Hi All, I am trying to query records based on fields in both parent and child documents. The query is not considering the field in the child document. Below is the structure of my solr record. <doc ...
    Chandan khatriChandan khatri
    Feb 17, 2015 at 2:10 pm
    Feb 17, 2015 at 2:10 pm
  • Dear Real-time Java Community, Remi and I are pleased to announce the release of the JTRES 2015 call for papers (below) and the JTRES 2015 website: http://jtres2015.univ-mlv.fr. JTRES will be held in ...
    Lukasz ZiarekLukasz Ziarek
    Feb 15, 2015 at 5:46 pm
    Feb 15, 2015 at 5:46 pm
  • I have subclassed the BooleanQuery and changed the BooleanWeight constructor to change the way the /coord/ and /idf /components of the similiarity formula are computed, and my changes work as ...
    Feb 11, 2015 at 12:14 am
    Feb 11, 2015 at 12:14 am
  • Hi, I am trying out pagination in lucene. I did it in two ways. The first one by mentioning the offset position in topdocs(). This is a piece of code I am trying out to achieve the same scenario ...
    Sreedevi sSreedevi s
    Feb 9, 2015 at 6:49 am
    Feb 9, 2015 at 6:49 am
  • Hi all! I have a Lucene 4.8 index and want to modify a DocValue of a single document. I tried to perform indexWriter.updateDocument(term, doc), but it had no effect on the index. Could you please ...
    Igor ShalyminovIgor Shalyminov
    Feb 5, 2015 at 1:59 pm
    Feb 5, 2015 at 1:59 pm
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67 users for February 2015

Uwe Schindler: 17 posts Ian Lea: 13 posts Maisnam Ns: 13 posts Clemens Wyss DEV: 8 posts Robert Muir: 8 posts Sreedevi s: 8 posts Michael McCandless: 7 posts Gergely Nagy: 6 posts Ahmet Arslan: 5 posts Benson Margulies: 4 posts Erick Erickson: 4 posts McKinley, James T: 4 posts Sascha Janz: 4 posts Deepak Gopalakrishnan: 3 posts Elliott Bradshaw: 3 posts Jon Stewart: 3 posts Michael Sokolov: 3 posts Simon Rainer: 3 posts Torsten Krah: 3 posts Vijay B: 3 posts
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