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44 discussions - 206 posts

  • This is a follow up to the earlier thread I started to understand memory usage patterns of SegmentReader instances, but I decided to create a separate post since this issue is much more serious than ...
    Vitaly FunsteinVitaly Funstein
    Aug 26, 2014 at 7:54 pm
    Sep 11, 2014 at 6:42 pm
  • I have a field with the value C0001.DevNm001. If I search for C0001.DevNm001 -- Get Hit DevNm00* -- Get Hit C0001.DevNm00* -- Get No Hit The field gets tokenized on the period since it's surrounded ...
    MilindMilind
    Aug 26, 2014 at 4:24 pm
    Aug 27, 2014 at 5:15 pm
  • hi, i try to speed up our indexing process. we use SeacherManager with applydeletes to get near real time Reader. we have not really "much" incoming documents, but the documents must be updated from ...
    Sascha JanzSascha Janz
    Aug 7, 2014 at 10:15 am
    Aug 14, 2014 at 9:38 am
  • I tried to create a clone of indexwriteconfig with "indexWriterConfig.clone()" for re-creating a new indexwriter, but I then I got this very annoying illegalstateexception: "clone this object before ...
    ShengSheng
    Aug 11, 2014 at 9:50 pm
    Aug 12, 2014 at 2:04 pm
  • Hi, I am using Lucene 4.6.0. I have been storing 5 fields for my documents in the index, namely body, title, docname, docdate and docid. But when I get the fields using ...
    Sachin KulkarniSachin Kulkarni
    Aug 19, 2014 at 3:37 am
    Aug 22, 2014 at 1:55 pm
  • Hi, I am wondering if someone can help me on this: I have index: doc 1 -- label: United States of America doc 2 -- label: United doc 2 -- label: America doc 2 -- label: States I am wondering how to ...
    Jin Guang ZhengJin Guang Zheng
    Aug 19, 2014 at 6:00 pm
    Aug 19, 2014 at 11:22 pm
  • hi, i want to speed up our search performance. so i run test and monitor them with java mission control. the analysis showed that one hotspot is sun.nio.cs.UTF_8$Decoder.decode(byte[], int, int, ...
    Sascha JanzSascha Janz
    Aug 5, 2014 at 2:36 pm
    Aug 7, 2014 at 7:53 am
  • Unrelated to my previous mail to the list, but related to the same investigation... The following test program just indexes a phrase of nonsense words using and then queries for one of the words ...
    TrejkazTrejkaz
    Aug 19, 2014 at 4:50 am
    Aug 25, 2014 at 4:32 pm
  • Hi Lucene masters, I was using lucene couple of years back. We have developed application which uses lucene's JdbcDirecory feature. Using JdbcDirecory we have writing and reading data from database ...
    Mahesh CharegaonkarMahesh Charegaonkar
    Aug 20, 2014 at 8:57 pm
    Aug 23, 2014 at 11:25 pm
  • Hi everyone, I'm trying to escape special characters and it doesn't seem to be working. If I do a search like resume_text: (LS\/MS) it searches for LS AND MS instead of LS/MS. How would I escape the ...
    Chris SalemChris Salem
    Aug 11, 2014 at 3:56 pm
    Aug 12, 2014 at 1:30 pm
  • Hi all, Using lucene 3.6.2, we are trying to search a pretty small collection. To open the directory we use Mmap since we are running on a 64 bit linux machine, and we usually get much better results ...
    Shlomit RosenShlomit Rosen
    Aug 18, 2014 at 11:11 am
    Aug 21, 2014 at 8:28 am
  • I looked at a couple of examples on how to get keyword analyzer to be case insensitive but I think I missed something since it's not working for me. In the code below, I'm indexing text in upper case ...
    MilindMilind
    Aug 9, 2014 at 8:39 pm
    Aug 12, 2014 at 3:36 pm
  • Hi, We are planning to use Lucene 4.8.1 over Oracle (1 to 2 TB data) and seeking information on "How Lucene conduct housekeeping or maintenance of indexes over a period of time". *Is it a blocking ...
    Gaurav guptaGaurav gupta
    Aug 4, 2014 at 2:34 pm
    Aug 11, 2014 at 12:32 pm
  • Hi, I am new in the list and I have been working on a problem for some time already. I would like to know if someone has any idea of how I can solve it. Given a term, I want to get the term frequency ...
    Bianca PereiraBianca Pereira
    Aug 7, 2014 at 11:29 am
    Aug 7, 2014 at 1:35 pm
  • Hi, I've got some short fields (phone num, email) that I'd like to search using good old string matching. (The full query is a boolean "or" that also uses real text fields.) I see the warnings about ...
    Rob NikanderRob Nikander
    Aug 28, 2014 at 5:39 pm
    Aug 29, 2014 at 3:19 pm
  • Hi, If I have document with multiple fields "title" title: A B C title: X Y Z A phrase search for title:"B C X" matches this document. Can I prevent that? thanks, Rob
    Rob NikanderRob Nikander
    Aug 28, 2014 at 1:53 pm
    Aug 28, 2014 at 3:55 pm
  • Hi everybody, I would like to know your suggestions to calculate Term Frequency in a Lucene document. Currently I am using MultiFields.getTermDocsEnum, iterating through the DocsEnum 'de' returned ...
    Bianca PereiraBianca Pereira
    Aug 19, 2014 at 2:05 pm
    Aug 22, 2014 at 1:07 pm
  • I actually have 2 questions: 1. Is it possible to get the facet label for a particular document? The reason we want this is we'd like to allow users to see tags for each hit in addition to the ...
    ShengSheng
    Aug 12, 2014 at 9:35 pm
    Aug 14, 2014 at 4:52 am
  • I've been using AIS, and I see that it now has support for incremental updates, which is great! I'm looking forward to getting suggestions from newly-added documents without the need to rebuild the ...
    Michael SokolovMichael Sokolov
    Aug 14, 2014 at 2:51 pm
    Aug 15, 2014 at 12:35 pm
  • The length of token has to be shorter than 255, otherwise there will be unpredictable behaviors for this tokenizer. I see 255 is set as a private final in the src code, but there is no documentation ...
    ShengSheng
    Aug 15, 2014 at 3:38 am
    Aug 15, 2014 at 12:25 pm
  • Hi everyone, I'm a bit of a Lucene newb, but a fairly experienced Java developer. Hope someone can give me some clues as to what I may be doing wrong. In essence I've got a lucene index built off of ...
    Michael JenningsMichael Jennings
    Aug 14, 2014 at 10:20 pm
    Aug 15, 2014 at 3:31 am
  • Hi, The current usage of BitSets in filters in Lucene is limited to applying only on docIDs i.e. I can only construct a filter out of a BitSet if I have the DocumentIDs handy. However, with every ...
    Sandeep KhanzodeSandeep Khanzode
    Aug 12, 2014 at 6:53 am
    Aug 12, 2014 at 4:40 pm
  • Hi, I am using lucene 4.6.0 to index a dataset. I have the following fields: doctitle, docbody, docname, docid, date. But when I access the fields using indexReader.getTermVectors(indexedDocID) then ...
    Sachin KulkarniSachin Kulkarni
    Aug 4, 2014 at 1:43 pm
    Aug 4, 2014 at 4:21 pm
  • I tried something like this, to loop through all docs in my index and patch a field. But it appears to wipe out some parts of the stored values in the document. For example, highlighting stopped ...
    Rob NikanderRob Nikander
    Aug 28, 2014 at 9:33 pm
    Aug 29, 2014 at 12:04 am
  • Hey guys, I need a TokenFilter that filters some tokens like the FilteringTokenFilter. The problem is, in order to do the filtering I need to know all tokens in advance. I thought I'll adapt the ...
    Christian BeilChristian Beil
    Aug 20, 2014 at 3:49 pm
    Aug 24, 2014 at 10:26 pm
  • Hi I have a SOLR (4.7.1) tire DateField with dates. I would like to retrieve the values of this field via a custom lucene collector. For String fields I use the following pattern BinaryDocValues ...
    Robust LinksRobust Links
    Aug 18, 2014 at 2:28 pm
    Aug 18, 2014 at 2:34 pm
  • Dear team at Apache, I'd like to become a Contributor and add our web app to your list here https://wiki.apache.org/lucene-java/PoweredBy We're using Apache Lucene for our search indexing function in ...
    Vitaliy VerbenkoVitaliy Verbenko
    Aug 1, 2014 at 1:28 pm
    Aug 1, 2014 at 2:41 pm
  • I've this scenario in a web application: 1. many users query a Lucene index concurrently (obvious) 2. one user can make several queries (she may have different browser windows open) 3. all those ...
    Rolf VeenRolf Veen
    Aug 22, 2014 at 3:53 pm
    Aug 22, 2014 at 11:10 pm
  • Hello Group Members, I am a new user of Lucene. Currently I am using lucene.net 3.0.3. In my application I am trying to get IndexReader from the existing instance of IndexWriter. Like this.. ...
    Shubhanshu PathakShubhanshu Pathak
    Aug 20, 2014 at 10:07 am
    Aug 20, 2014 at 4:38 pm
  • 您好,我是一位 Java 程序员,最近在研究搜索引擎,因为最近在看 <Lucene 实战 (第二版) 这本书, 发现书中大多提供了核心代码,不知道您能不能提供配套源码给我呢? 我在网上找了很久,但是还是没能找到。 如果能够帮我万分感谢! <span class="m_body_email_addr" title="b7fd3217d7da9c854d816e2f228feb54" ...
    XuwenminXuwenmin
    Aug 18, 2014 at 1:55 am
    Aug 18, 2014 at 2:09 am
  • We have OCR a document with a signature, you can select the signature and copy the text representation for searching in a lucene 4.7 index. We have surrounded the search text with double quotes since ...
    Scott SelviaScott Selvia
    Aug 14, 2014 at 11:54 pm
    Aug 15, 2014 at 1:09 am
  • Hello, I try to get the scorer for a result document, for further computation. List<AtomicReaderContext leafContexts = indexReader.leaves(); int n = ReaderUtil.subIndex(scoreDoc.doc, leafContexts) ...
    Christian ReuschlingChristian Reuschling
    Aug 7, 2014 at 4:42 pm
    Aug 7, 2014 at 4:51 pm
  • I want to install lucene-4.9.0. I create new java project in my eclipse and I import core/src/java to my project then import demo/src/java. But, I got foollwing error what should I do? import ...
    Fatemeh LashkariFatemeh Lashkari
    Aug 7, 2014 at 4:21 pm
    Aug 7, 2014 at 4:26 pm
  • I am using an classic ASP 3.0 application and would like to implement SOLR onto it. My database is SQL server and also it connects to AS/400 using batch processing. Can someone suggest a starting ...
    PgindiaPgindia
    Aug 5, 2014 at 10:14 am
    Aug 5, 2014 at 10:23 am
  • CALL FOR PARTICIPATION The 12th International Workshop on Java Technologies for Real-time and Embedded Systems - JTRES 2014 October 13th - 14th Niagara Falls, NY, USA http://jtres2014.compute.dtu.dk ...
    WopuWopu
    Aug 26, 2014 at 5:11 pm
    Aug 26, 2014 at 5:11 pm
  • Hi, I'm using FastVectorHighlighter, and I wanted to get highlights from multiple fields that matched, so I called `highlighter.getBestFragment` for each field. It returns null if it had nothing for ...
    Rob NikanderRob Nikander
    Aug 25, 2014 at 4:42 pm
    Aug 25, 2014 at 4:42 pm
  • Is it reasonable to assume that using stored field compression with a lot of stored fields per document in a very large index (100+ GB) could potentially lead to a significant heap utilization? If I ...
    Vitaly FunsteinVitaly Funstein
    Aug 23, 2014 at 11:09 pm
    Aug 23, 2014 at 11:09 pm
  • Hi, I am using lucene 4.8. I already have an index. I want to use the Free text suggester feature when a user queries the index. I am not sure how to start with this. A sample code snippet or a ...
    Parnab kumarParnab kumar
    Aug 22, 2014 at 3:14 pm
    Aug 22, 2014 at 3:14 pm
  • Someone asked if it was possible to do a SpanNearQuery between a TermQuery and a MultiPhraseQuery. Sadly, you can only use SpanNearQuery with other instances of SpanQuery, so we have a gigantic ...
    TrejkazTrejkaz
    Aug 19, 2014 at 1:49 am
    Aug 19, 2014 at 1:49 am
  • What is the best way to determine relevancy and the cutoff of results to show? So the system I'm working on right now involves searching the inventory and returning the results. Each result must be ...
    DflDfl
    Aug 7, 2014 at 3:46 pm
    Aug 7, 2014 at 3:46 pm
  • Don't take the piss ur all at it bb n all of youze!!! Pisstaking weirdos! Sent from my BlackBerry® smartphone --------------------------------------------------------------------- To unsubscribe, ...
    Craiglang44Craiglang44
    Aug 7, 2014 at 2:10 pm
    Aug 7, 2014 at 2:10 pm
  • FYI, there is SirenDB on top of lucene that addresses such concerns... It supports multi-level parent-child relationships and provides nice querying capabilities... -- Ravi
    Ravikumar GovindarajanRavikumar Govindarajan
    Aug 5, 2014 at 7:35 am
    Aug 5, 2014 at 7:35 am
  • not sure if i'm in the right place but, looking for help with lucene indexing in alfresco. It looks like indexing is turned on however, i'm specifically having issues with not being able to query ...
    TristanTristan
    Aug 4, 2014 at 9:42 pm
    Aug 4, 2014 at 9:42 pm
  • Hi group - I would want do aggregations using lucene. Solr does have a feature in function query. We are using vanilla lucene. Example: 1. Min max avg of a field 2. Count of a particular string in a ...
    Srividhya UmashankerSrividhya Umashanker
    Aug 3, 2014 at 7:27 pm
    Aug 3, 2014 at 7:27 pm
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55 users for August 2014

Craiglang44: 19 posts Uwe Schindler: 14 posts Jack Krupansky: 12 posts Michael McCandless: 12 posts Vitaly Funstein: 11 posts Milind: 10 posts Sheng: 10 posts Rob Nikander: 8 posts Sachin Kulkarni: 8 posts Sascha Janz: 8 posts Erick Erickson: 6 posts Michael Sokolov: 6 posts Trejkaz: 6 posts Bianca Pereira: 5 posts Kumaran Ramasubramanian: 5 posts Shai Erera: 5 posts Tri Cao: 5 posts Mahesh Charegaonkar: 4 posts Chris Salem: 3 posts Gaurav gupta: 3 posts
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