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java-user.lucene.apache.org
January 2012 - page 1
Cheng — 132547920902 Jan 2012
Hi, I was trying to use QueryParser for some chinese, but encountered the following issues: (1) org.apache.lucene.queryParser.ParseException: Cannot p...
How to use RAMDirectory more efficiently (3 Replies)
Cheng — 132548016602 Jan 2012*
Hi, Suppose that we have a huge amount of indices on hard drives but working in RAMDirectory is a must, how can we decide which part of the indices to...
dyzc — 132548228502 Jan 2012
will the solution provided by Charlie Hubbard do the work? I am not sure I understand the "writer.addIndexes( ram );" part. What if there ar...
debug filters (1 Reply)
Herb Roitblat — 132554954503 Jan 2012*
Can someone point me to information on how to debug a filter? How do I access the bit-string? Our problem seems to be that when we set a filter, not a...
Christoph Kaser — 132560316603 Jan 2012*
Hello, we use lucene as search engine in an online shop. The products in this shop often contain product keys like CRXUSB2.0-16GB. We would like our c...
Designing a multilingual index (20 Replies)
David Vergnaud — 132560400303 Jan 2012*
Hi everyone! I'm about to build a search engine that will handle documents in several languages (4 for now but the number will increase in the nea...
1983-01-06 — 132561035703 Jan 2012
Hi folks, I have a query result problem I do not understand. The documentation for Lucene 3.2 query syntax says the following about boolean OR queries...
1983-01-06 — 132561038303 Jan 2012
Hi folks, I have a query result problem I do not understand. The documentation for Lucene 3.2 query syntax says the following about boolean OR queries...
dyzc2010 — 132562564303 Jan 2012
Charlie, the code you provided will double the size of the index on FS every time when saving occurs. Can we avoid duplicating the index but synchroni...
Boolean OR does not work as described (7 Replies)
1983-01-06 — 132562601203 Jan 2012*
Hi folks, I have a query result problem I do not understand. The documentation for Lucene 3.2 query syntax says the following about boolean OR queries...
Ryan McKinley — 132566872604 Jan 2012*
Happy new year! I'm working on a way to simple geocode documents as they are indexed. I'm hoping to use existing Lucene infrastructure to do t...
1983-01-06 — 132567366804 Jan 2012
Hi folks, I was recommended to use PrecedenceQueryParser if I want boolean precedence in my queries. While examining this class, I have noticed that i...
Commit data to disk ... (1 Reply)
Dragon Fly — 132577040005 Jan 2012*
Hi, I'm using Lucene 2.0 and was wondering how to flush/commit index data to disk. It doesn't look like there is a flush() or commit() method ...
Simon Willnauer — 132578865005 Jan 2012
Folks, I just committed LUCENE-3628 [1] which cuts over Norms to DocVaues. This is an index file format change and if you are using trunk you need to ...
prasenjit mukherjee — 132581411606 Jan 2012*
I have a requirement where reads and writes are quite high ( @ 100-500 per-sec ). A document has the following fields : timestamp, unique-docid, conte...
Cheng — 132590785907 Jan 2012
Hi, I am trying to use a shared IndexWriter instance for a multi-thread application. Surprisingly, this under performs by creating a writer instance w...
Comparing Indexing Speed of Lucene 3.5 and 4.0 (7 Replies)
Peter K — 132594355307 Jan 2012*
Hi, I recently switched an experimental project from Lucene 3.5 to 4.0 from 6th Dec 2011 and my indexing time increased by nearly 20% on my local mach...
question about SearcherManager in version 3.5.0 (2 Replies)
chenhan — 132595914807 Jan 2012*
hi, i'm writing a normal web-search application with lucene 3.5.0. in version 3.5.0 lucene provides SearcherManager to manage multithreaded search...
prasenjit mukherjee — 132602271708 Jan 2012*
I am trying to add document to a slor index via : $> curl "http://localhost:8983/solr/update/csv?commit=..." --data "Doc1\tTitle1...
Strategy for large index files (2 Replies)
Cheng — 132604187608 Jan 2012*
Hi, my servlet application is running a large index of 20G. I don't think it can be loaded to RAM at one time. What are the general strategies to ...
Cheng — 132608194409 Jan 2012
Hi, I new a RAMDirectory based upon a FSDirectory. After a few modifications, I would like to synchronize the two. Some on the mailing list provided a...
How to merge indices in ram (1 Reply)
dyzc2010 — 132610570009 Jan 2012*
Hi, How can I merge multiple indices in RAM while not impacting search? Thanks...
Help running out of files (10 Replies)
Charlie Hubbard — 132613828109 Jan 2012*
I have a program I recently converted from a pull scheme to a push scheme. So previously I was pulling down the documents I was indexing, and when I w...
Tamper resistant index (1 Reply)
Mike C — 132615410710 Jan 2012*
Hi, I'm investigating storing syslog data using Lucene (via Solr or Elasticsearch, undecided at present). The syslogs belong to systems under the ...
Remoting Lucene (1 Reply)
Trejkaz — 132617847210 Jan 2012*
Hi all. I want to access a Lucene index remotely. I'm aware of a couple of options for it which seem to operate more or less at the IndexSearcher ...
House Less — 132621419010 Jan 2012*
Hello everyone, I am quite new to development with Nutch, so you must forgive my question if it is amateurish. After some reading of Luke's sourc...
dyzc — 132627372111 Jan 2012*
I'd better provide a snapshot of my code for people to understand my issues: File file=new File("c:/index_files"); FSDirectory fsDir=new...
findbestopensource — 132628096311 Jan 2012
Hello all, Recently i saw couple of discussions in LinkedIn group about generating large data set or data corpus. I have compiled the same in to an ar...
Cheng — 132630551011 Jan 2012*
I have read a lot about IndexWriter and multi-threading over the Internet. It seems to me that the normal practice is: 1) use a same indexwriter insta...
dyzc2010 — 132631525611 Jan 2012*
Mike, do you mean if I create a FSDirectory based writer in first place, then the writer should be used in every thread rather than create a new RAMDi...
is it possible to index wiki markup files? (4 Replies)
Reyna Melara — 132633979912 Jan 2012*
Hi, my name is Reyna Melara I'm a PhD student form Mexico, and I have a set of 11,051,447 files with txt extension but the content of each file is...
dyzc — 132641448913 Jan 2012*
That lies in that my apps add indexes to those in RAM rather than update them. So the size doubled. Seem not related to the OpenMode.CREATE option. --...
Cheng — 132644979613 Jan 2012*
I am currently using the following statement at the end of each index writing, although I don't know if the writing modifies the indexes or not: i...
Cheng — 132646577113 Jan 2012*
I have 10MM entities, for each of which I will index 10-20 fields. Also, I will have to index 100MM related information of the entities, and each piec...
Cheng — 132647482313 Jan 2012*
Hi, I use a same instance of writer for multiple threads. It turns out that the time to finish jobs is more than to create a new writer instance in ea...
extractterms Output (1 Reply)
David Olson — 132649537713 Jan 2012*
Hi all - thanks in advance for any help... I have an app that aggregates keyword performance through incoming messages. A message comes in, I index it...
Re: Is it necessary to create a new searcher? (3 Replies)
dyzc2010 — 132660769815 Jan 2012*
Thanks for pointing that out for me. I will change the code. My challenge is that I use a same reader for multiple threads. So if I have to close a re...
Cheng — 132666218215 Jan 2012*
I saw the link, https://builds.apache.org/job/Lucene-3.x/java... which talks about how to use the NRTManagerReopenThread. I am currently using the Jav...
3.5.0 javadocs link missing? (2 Replies)
Ian Lea — 132667403216 Jan 2012*
Hi The "Documentation" link on http://lucene.apache.org/java/docs/index.html expands to list Release 3.4.0, 3.3.0, etc. but not 3.5.0. http:...
dyzc — 132669242216 Jan 2012
I am confused by the ES instance. Is it used for reading indexes only, or for creating and executing runnable instances like in my example? -- Origina...
seb — 132669767316 Jan 2012
I'm having trouble including the guava (http://code.google.com/p/guava-libraries/) library in my ant build script for lucene (lucene-3.5.0/build.x...
custom scoring (1 Reply)
ltomuno — 132671308716 Jan 2012*
the following message comes from Explanation explain 0.09375 = (MATCH) fieldWeight(name:85 in 8687), product of 1.0 = tf(termFreq(name:85)=1) 1.0 = id...
ejblom — 132672852516 Jan 2012*
Dear Lucene-developers, I switched to using Lucene 3.5 a few weeks ago and suddenly sentences are not correctly indexed anymore. Basically, fields can...
mikaza — 132673001716 Jan 2012
Hi! I am trying to extend "mahout lucene.vector" driver, so that it can be feeded with arbitrary key-value constraints on solr schema fields...
Ilya Zavorin — 132675174716 Jan 2012*
I am trying to perform a "translation" of sorts of a stream of text. More specifically, I need to tokenize the input stream, look up every t...
Error when opening a lucene index: Map failed (2 Replies)
Frank Moss — 132679967017 Jan 2012*
Hello, I am having problems opening a lucene index. The index has been created on the same machine. The size of index is 44G. Its a 64bit machine runn...
Query building performance (1 Reply)
David Olson — 132681205117 Jan 2012*
I have a situation where there are users that create n keywords. I'm storing them as individual DB fields for aggregating scores and then building...
Cheng — 132692024618 Jan 2012*
Hi, can any of you provide a working code example that utilizes the NRTManager, NRTManagerReopenThread and ExecutorServices instances? The limited ava...
ArrayIndexOutOfBoundsException: -65536 (5 Replies)
Duke DAI — 132698331719 Jan 2012*
Hi friends, Any one meet ArrayIndexOutOfBoundsException: -65536 described in https://issues.apache.org/jira/browse/LUCENE-... after it declared being ...
Retrieving offsets (3 Replies)
Nishad Prakash — 132703080520 Jan 2012*
I'm having a set of issues in trying to use Lucene that are all connected to the difficulty of retrieving offsets. I need some advice on how best ...