Top "Solr" questions

Solr vs. ElasticSearch

What are the core architectural differences between these technologies? Also, what use cases are generally more appropriate for each?

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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage?

I'm currently looking at other search methods rather than having a huge SQL query. I saw elasticsearch recently and played …

solr lucene elasticsearch sphinx xapian

How to delete all data from solr and hbase

How do I delete all data from solr by command? We are using solr with lily and hbase. How can …

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using OR and NOT in solr query

I'm working on a solr query similar to the following: ((myField:superneat AND myOtherField:somethingElse) OR NOT myField:superneat) When …

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How to query SOLR for empty fields?

I have a large solr index, and I have noticed some fields are not updated correctly (the index is dynamic). …

solr lucene

Spring Boot app: Not picking up application.properties?

I have a spring boot app I got here: https://github.com/christophstrobl/spring-data-solr-showcase/tree/4b3bbf945b182855003d5ba63…

java spring maven spring-mvc solr

How to select distinct field values using Solr?

I would like to do the equivalent of this SQL but with Solr as my data store. SELECT DISTINCT txt …

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How to start Solr automatically?

At the moment I have to go to /usr/java/apache-solr-1.4.0/example and then do: java -jar start.jar How …

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What is the use of "multiValued" field type in Solr?

I'm new to Apache Solr. Even after reading the documentation part, I'm finding it difficult to clearly understand the functionality …

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Deleting solr documents from Solr Admin

How do I delete all the documents in my SOLR index using the SOLR Admin. I tried using the url …

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