Questions tagged as 'lucene'

Tagged questions
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In what scenarios is it worth to use ElasticSearch?

In what scenarios ElasticSearch is indicated as a replacement for searches in ER or NOSQL databases. The main question is when should I use elasticsearch, because I realize in my applications that a postgresql or mongodb already has a satisfa...
asked by 06.03.2018 / 18:01
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How to index and search for files in Lucene

I'm trying to generate a Java file crawler with the help of Lucene. Follow this guide to iMasters and tried to adapt to version 4.7.0 , the problem is that at some point the search is not working. I checked the index file and both the infor...
asked by 17.03.2014 / 19:59
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I / O of solr increases with the passage of time

I'm running about eight servers with solr servers (version 3.5 ) behind a Load Balancer. All servers are identical and LB is configured with weight by number of connections. Servers have about 4 million documents and receive a stead...
asked by 23.01.2015 / 20:59
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How do I exclude from the result the multivalue fields that do not match my query?

I have some indexed documents like the one below: { "doc_desc": "Indexing Child Documents in JSON", "doc_id": "379", "image_id": [ "28086# ho hum... this is page 1 of chapter 1", "28087# more text... this is page 2 of...
asked by 17.11.2014 / 20:15
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Solr, Lucene and ElasticSearch what are the differences? When to use one or the other?

What's the difference between ElasticSearch, Solr and Lucene? When to use one or the other?     
asked by 14.09.2015 / 20:25
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Apache Lucene with Tika not returning words with accent

I made the library implementation Lucene and Tika of the Apache package and I managed to make it work super well for what I want. But I have a problem with words with an accent, it can not return results for words with an accent, I believe t...
asked by 18.07.2014 / 13:27
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How to insert double quote literal without the string "becoming \"?

I work with a search engine called Lucene.net that is nothing more than a search engine. I need to insert the following phrases within the indexer separated by ; :    "bedside lamp"; "lampshade"; "table lamp" It is necessary to...
asked by 20.06.2018 / 22:29
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Solr DIH with xml - command full-import is not extracting [closed]

I'm trying to index some wiki pages using Solr 7.0, but in the last step for that, the DataImportHandler is apparently not extracting the data. I do not know what is happing cause any error is throwing. When I call link two different behavi...
asked by 28.10.2017 / 10:43
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Lucene - Simple search with query

I'm trying to do searches on an index made with Lucene that was sent to me. They are simple searches that are not working ... package portugues; //https://lucene.apache.org/core/2_9_4/queryparsersyntax.html import java.nio.file.Paths; impor...
asked by 21.03.2017 / 13:28
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Lucene.NET Index sharding [closed]

Our Lucene currently has 50GB, where surveys are often slow. Is sharding feasible in this case? If so, does anyone know if it is possible to do sharding in Lucene.NET?     
asked by 12.04.2016 / 17:00