FAQ

Search Discussions

85 discussions - 374 posts

  • Hi all, I know Lucene indexes to be at their optimum up to a certain size - said to be around several GBs. I haven't found a good discussion over this, but its my understanding that at some point its ...
    Itamar Syn-HershkoItamar Syn-Hershko
    Jun 11, 2011 at 7:38 pm
    Jun 16, 2011 at 8:43 am
  • We have a problem with our fileserver where our indexes are hosted remotely, using Lucene 2.9.3. This can mean that a segments file is written which is full of ASCII zeros. Using the od -ah command, ...
    Tarr, GregoryTarr, Gregory
    Jun 28, 2011 at 8:47 am
    Jun 29, 2011 at 10:55 am
  • On the link http://lucene.apache.org/java/3_0_3/queryparsersyntax.html#Range%20Searches There is ranged searched, how do I specify everything above a date from date 20020101 to end of time? Next, I ...
    Hiller, Dean x66079Hiller, Dean x66079
    Jun 19, 2011 at 5:30 pm
    Jul 14, 2011 at 1:49 pm
  • Hi All I have joined the group only today..and began working with lucene only recently. My problem: I want to boost the ranking of certain documents, based on the values of certain fields. For ...
    Sowmya V.B.Sowmya V.B.
    Jun 9, 2011 at 4:05 pm
    Jun 16, 2011 at 9:05 am
  • Hi all, I was wondering whether you could give me some advice on how to improve my search performance. I have 90 lucene indexes, each having different fields (~5 per Document). When I search, I ...
    Alexander RosemannAlexander Rosemann
    Jun 1, 2011 at 8:35 pm
    Jun 10, 2011 at 2:48 pm
  • Hi, I have a use case in which I use the MultiFieldQueryParser (MFQP) on some fields that use and some fields that don't use a stopfilter. The default operator of the MFQP is set to AND. For example, ...
    ElmerElmer
    Jun 8, 2011 at 8:53 am
    Jun 9, 2011 at 12:59 pm
  • For the searches I want to run on my index I want to return all matching documents (as opposed to N top hits). My first naïve approach was just to use Searcher.search(query, filter, ...
    Tim EckTim Eck
    Jun 22, 2011 at 9:15 pm
    Jun 30, 2011 at 4:55 pm
  • Hi all, I am in a fix regarding lucene search. I know a little bit about lucene and have successfully created index and searched a lot of queries on that. My main worry is that whenever I search for ...
    Pranav goyalPranav goyal
    Jun 22, 2011 at 7:31 am
    Jun 23, 2011 at 9:46 am
  • I read the lucene in action book and just tested the FSversusRAMDirectoryTest.java with the following uncommented: // /** // // change to adjust performance of indexing with FSDirectory ...
    Zhoucheng2008Zhoucheng2008
    Jun 6, 2011 at 1:30 pm
    Jun 17, 2011 at 9:43 am
  • Hi, I tried 3-4 ways to delete a document but still no results. I am using Lucene 3.1 I used writer.UpdateDocuments(Term term, Document d) as well as write.addDocument(d); and after that ...
    Pranav goyalPranav goyal
    Jun 10, 2011 at 8:25 am
    Jun 10, 2011 at 12:37 pm
  • Well, maybe it's a bit controversial question, but anyway... Lucene is a great toolkit for search applications. And it's so fast in most of cases. I think I am understand why it's faster than ...
    Denis BazhenovDenis Bazhenov
    Jun 24, 2011 at 1:33 am
    Jun 24, 2011 at 10:42 pm
  • More on the below issue. We have perhaps 10 million or 100 million but this new 3.x lucene appears to go over all the entries that match instead of just having a cursor into the index??? The more I ...
    Hiller, Dean x66079Hiller, Dean x66079
    Jun 19, 2011 at 5:52 pm
    Jun 20, 2011 at 2:13 pm
  • Hi all, I am getting confused in this thing, Let say I make a lucene index using a document having a key field (which I am storing as well as indexing) and rest of my fields I am just indexing. When ...
    Pranav goyalPranav goyal
    Jun 8, 2011 at 5:31 am
    Jun 8, 2011 at 1:18 pm
  • If we have to index a lot of documents, is there a way to divide the documents into multiple sets and index them on multiple machines in parallel, and then merge the resulting indexes back into a ...
    Guru ChandarGuru Chandar
    Jun 30, 2011 at 9:11 am
    Jul 7, 2011 at 3:50 am
  • Say I have a document with field "f1". How can I search Documents which have not "test" in field "f" I tried: -f: *test* f: -*test* f: NOT *test* but no luck. Using WildCardQuery class... Any ...
    Clemens WyssClemens Wyss
    Jun 29, 2011 at 3:26 pm
    Jun 30, 2011 at 8:51 am
  • Hi :) I've got the following text indexed with simpleAnalyzer : "security is a real problem." If I try to search for secu*, it will find the document. But if I try to search for curi*, there are no ...
    G.LongG.Long
    Jun 21, 2011 at 3:27 pm
    Jun 27, 2011 at 7:59 am
  • Hey guys, I've been a big fan of Lucene and have been working with it for sometime. While trying to use Lucene I often found myself scouring the web, javadoc, source code, and this mailing list for ...
    Seth RosenSeth Rosen
    Jun 22, 2011 at 2:22 pm
    Jun 24, 2011 at 5:09 am
  • Our apps use highlighting, and I expect that highlighting is an expensive operation since it requires processing the text of the documents, but I ran a test and was surprised just how expensive it ...
    Mike SokolovMike Sokolov
    Jun 20, 2011 at 8:20 pm
    Jun 22, 2011 at 10:26 pm
  • hello I´m new with lucene.. I wold like to know if I can use it to make searchs on my web site and FTP.. and know if it v¡can make search over pdf,*.doc, and any other non plane text Thanks ...
    MarlenMarlen
    Jun 13, 2011 at 12:50 pm
    Jun 21, 2011 at 1:58 pm
  • Hi All Can someone suggest me where I can get an implementation of LongTrieRangeQuery class? I read about it in one of the Lucene implementation based reports, but could not find it on Lucene Src. ...
    Sowmya V.B.Sowmya V.B.
    Jun 17, 2011 at 9:09 am
    Jun 17, 2011 at 11:06 am
  • Some time ago I need to tune our home grown search engine based on lucene to perform well on product searches. Product search is search where users come with part of product name and we should find ...
    Denis BazhenovDenis Bazhenov
    Jun 13, 2011 at 10:07 am
    Jun 13, 2011 at 11:30 am
  • Hi all, I am a newbie to lucene. I have successfully created my lucene index. But I am not getting how to invalidate previous indexes whenever I add/delete/update any field in my lucene index. Please ...
    Pranav goyalPranav goyal
    Jun 6, 2011 at 6:30 am
    Jun 7, 2011 at 8:38 am
  • I'm trying to understand the logic of/behind fieldCache. Who has written this peace of code or has good knowledge about it? Why is it under the hood of jetty? I see FieldCache$StringIndex with - ...
    Bernd FehlingBernd Fehling
    Jun 21, 2011 at 9:33 am
    Jun 22, 2011 at 9:11 am
  • Hi List, Can anyone show any light why some times I am getting below error and application hangs up: I am using lucene 3.1. java.lang.RuntimeException: java.util.concurrent.ExecutionException: ...
    Harsh srivastavaHarsh srivastava
    Jun 17, 2011 at 3:09 pm
    Jun 21, 2011 at 8:59 am
  • I need to do something like a lucene query with Where accountId in ( 1, 2, 3, 4) Is there a way to do that in Lucene Query language? Thanks, Dean This message and any attachments are intended only ...
    Hiller, Dean x66079Hiller, Dean x66079
    Jun 20, 2011 at 10:25 pm
    Jun 21, 2011 at 1:16 am
  • Hi all, Interesting question: is it possible to color search results in a web-page based on their score? e.g. most relevant results in green, and then different shades through orange, yellow, red and ...
    Itamar Syn-HershkoItamar Syn-Hershko
    Jun 16, 2011 at 9:28 pm
    Jun 18, 2011 at 7:13 pm
  • I use a ParallelMultiSearcher to search across a bunch of RemoteSearchables, pretty much as recommended in Lucene In Action, First Edition, with the appropriate adjustments for Lucene 3.0. This seems ...
    Israel TsadokIsrael Tsadok
    Jun 16, 2011 at 5:35 am
    Jun 16, 2011 at 3:07 pm
  • Hi All, I want to change the length normalization calculation specific to my application. By changing the "*number of terms*" according to my requirement. The "*StandardTokenizer*" works perfectly ...
    Lahiru SamarakoonLahiru Samarakoon
    Jun 13, 2011 at 6:31 am
    Jun 14, 2011 at 5:12 am
  • Hi, Is there something in Lucene that supports lemmatization of the following form: Mexican -- Mexico (from adjective to name/noune) Thanks Mohamed Yahya ...
    Mohamed YahyaMohamed Yahya
    Jun 8, 2011 at 9:18 am
    Jun 8, 2011 at 11:11 pm
  • Hi everyone, I searched the list archives, but couldn't find a question that closely matches mine. The project I'm working on is designed to allow searching a distributed collection of data ...
    Clint GilbertClint Gilbert
    Jun 2, 2011 at 7:52 pm
    Jun 6, 2011 at 9:06 am
  • Hello, I want to let IndexReader finding the modification in time,so i use MyFilterIndexReader which extend FilterIndexReader to cache the deleted document in RAM.when this FilterIndexReader be the ...
    周洲周洲
    Jun 26, 2011 at 5:09 am
    Jun 27, 2011 at 7:09 am
  • Hi :) I know it is possible to create a query on different fields with different analyzers with PerFieldAnalyzer class but is it possible to also include fields which are not analyzed ? I want some ...
    G.LongG.Long
    Jun 20, 2011 at 2:40 pm
    Jun 20, 2011 at 5:28 pm
  • Hi All, I have a question regarding index time parameter Index.ANALYZED_NO_NORMS and Index.ANALYZED As per the definition, ANALYZED_NO_NORMS is no different than ANALYZED option except that it does ...
    Saurabh GokhaleSaurabh Gokhale
    Jun 19, 2011 at 5:06 am
    Jun 19, 2011 at 5:39 pm
  • Hi, I indexed 4 million documents and used boosting factors for each document at indexing time. I would like to cancel that boosting. Is there a way to do that without re-indexing all of them? Many ...
    Liat orenLiat oren
    Jun 15, 2011 at 9:42 am
    Jun 16, 2011 at 10:47 am
  • If I do a search which consists of escaped ending exclamation marks it all works okay: (aaaaahhh\!\!\!) and find the desired match but if there is a wildcard at the end, it will not find any matches ...
    Paul TaylorPaul Taylor
    Jun 6, 2011 at 3:46 pm
    Jun 7, 2011 at 10:53 am
  • Hi, I'm trying to upgrade from 3.0.2 to 3.2.0 and am running into the following issue when trying to boot an IndexSearcher: Exception in thread "main" org.apache.lucene.index.IndexNotFoundException: ...
    Ben HoodBen Hood
    Jun 6, 2011 at 9:59 am
    Jun 6, 2011 at 3:58 pm
  • Hi all, we have a 20gb lucene index size. We are using lucene 3.1. For business reasons, if a user searches suppose for java, we also have to search its synonyms "core java". so the query looks like ...
    Harsh srivastavaHarsh srivastava
    Jun 1, 2011 at 5:27 pm
    Jun 1, 2011 at 6:15 pm
  • While reading "Lucene in Action 2nd edition" I came across the description of Filter classes which are could be used for result filtering in Lucene. Lucene has a lot of filters repeating Query ...
    Denis BazhenovDenis Bazhenov
    Jun 24, 2011 at 1:21 am
    Jun 24, 2011 at 2:09 pm
  • hi we upgraded to solr 1.4. We are getting error SEVERE: org.apache.solr.common.SolrException: Error loading class 'solr.KeywordMarkerFilterFactory' at ...
    AbhaydAbhayd
    Jun 23, 2011 at 3:47 pm
    Jun 24, 2011 at 12:38 am
  • Hello, I am currently in need of a LowerCaseFilter and StopFilter that will recognize KeywordAttribute, similar to the way PorterStemFilter currently does (on trunk). Specifically, in case the term ...
    Sujit PalSujit Pal
    Jun 22, 2011 at 7:54 pm
    Jun 23, 2011 at 9:35 pm
  • Hi, I have multiple indexed folders (or directories), each holding indexing files for specific purposes. I want to do a search over these folders (or directories) in a same query. Is it possible? ...
    ChengCheng
    Jun 23, 2011 at 2:19 pm
    Jun 23, 2011 at 6:23 pm
  • Anyone know how to do a simple RamDirectory...I just created it but it is failing with this... Caused by: org.apache.lucene.index.IndexNotFoundException: no segments* file found in ...
    Hiller, Dean x66079Hiller, Dean x66079
    Jun 21, 2011 at 10:44 pm
    Jun 22, 2011 at 7:26 pm
  • I see the api in Lucene is new Field(String, String, Store, Index) Is there anyway to store one of the fields as byte[]? Specifically the value I am looking up I would like it to be byte[] instead of ...
    Hiller, Dean x66079Hiller, Dean x66079
    Jun 20, 2011 at 6:27 pm
    Jun 21, 2011 at 5:45 pm
  • I would like to skip creating the query using the query language. Our queries are simple and fixed Like account = :account and strategy=:strategy and date :date So I would prefer maybe not to use a ...
    Hiller, Dean x66079Hiller, Dean x66079
    Jun 20, 2011 at 3:55 pm
    Jun 20, 2011 at 10:34 pm
  • Hello ALLLLL , I'm a bigineer to LuceneI api , I have tried many to implement a simple search which specified the data directory and the index director .. then specify the qurey to search in the ...
    HamadazaheraHamadazahera
    Jun 18, 2011 at 1:30 pm
    Jun 19, 2011 at 8:43 am
  • The javadocs for NumericField (lucene 2.9.4) state: You may add the same field name as a NumericField to the same document more than once. Range querying and filtering will be the logical OR of all ...
    Tarr, GregoryTarr, Gregory
    Jun 9, 2011 at 9:26 am
    Jun 9, 2011 at 10:21 am
  • I just saw this: https://issues.apache.org/jira/secure/attachment/12480123/LUCENE-2454.patch One comment: should Lucene provide nested doc indexing as well? Would love to see it’s available.
    周诚周诚
    Jun 6, 2011 at 10:08 pm
    Jun 7, 2011 at 12:01 am
  • Hi, As per the Grouping discussion in the URL below: http://lucene.apache.org/java/3_0_3/queryparsersyntax.html (jakarta OR apache) AND website query means website must exist and either term jakarta ...
    Ranjit KumarRanjit Kumar
    Jun 3, 2011 at 9:22 am
    Jun 3, 2011 at 6:04 pm
  • When I do a writer.open(), writer.add(), writer.close(), how many files can I expect to be opened with Lucene. I am running indexes on some very big data so we have 160000 writers open and I hit the ...
    Hiller, Dean x66079Hiller, Dean x66079
    Jun 30, 2011 at 8:53 pm
    Jul 2, 2011 at 12:51 pm
  • I have a situation where the field name consists of spaces. So a query like *short text: value* doesn't return any results as the query structure internally would be *defaultField:short text:value* * ...
    Nilesh VijaywargiayNilesh Vijaywargiay
    Jun 23, 2011 at 9:27 pm
    Jun 24, 2011 at 9:15 am
Group Navigation
period‹ prev | Jun 2011 | next ›
Group Overview
groupjava-user @
categorieslucene
discussions85
posts374
users91
websitelucene.apache.org

91 users for June 2011

Ian Lea: 31 posts Hiller, Dean x66079: 26 posts Erick Erickson: 23 posts Uwe Schindler: 20 posts Pranav goyal: 19 posts Itamar Syn-Hershko: 16 posts Michael McCandless: 15 posts Simon Willnauer: 10 posts Denis Bazhenov: 9 posts Elmer: 8 posts Shai Erera: 8 posts Mike Sokolov: 7 posts Sowmya V.B.: 7 posts Tarr, Gregory: 7 posts Toke Eskildsen: 7 posts Zhoucheng2008: 7 posts Alexander Rosemann: 6 posts G.Long: 6 posts Mark Harwood: 6 posts Clemens Wyss: 5 posts
show more
Archives