Solr Blog Posts

Welcome to the Apache Solr Blog, where we periodically showcase Solr-related articles, tutorials, and other content.

Have something to share? We're always looking for new articles! If you have one you'd like to contribute, or would like to link out to an external post, create a PR using the instructions here.


Apache Solr Filter Queries: Integer or String Fields?

Published: 26 November 2024

Let's explore whether to index a field in Apache Solr as a string or integer for optimal filter query performance. Written by Ilaria Petreti, Information Retrieval/Machine Learning Engineer at Sease.

Community Over Code NA 2024 Apache Lucene/Solr Birds Of A Feather

Published: 14 October 2024

This blog post is a summary of the Apache Lucene/Solr Birds of a Feather from Community Over Code NA 2024 in Denver. Written by Eric Pugh and Stefan Vodita.

Categorical Features in Apache Solr Learning to Rank

Published: 9 October 2024

Let's see the available learning to rank Apache Solr features with a focus on categorical features and how to manage them. Written by Anna Ruggero, R&D Software Engineer at Sease.

Join us at Community Over Code North America 2024

Published: 16 September 2024

Join us at Community Over Code NA 2024 in Denver, Oct 7-10, the premier conference organized by The Apache Software Foundation.

How to Sort Apache Solr Results in Random Order

Published: 2 September 2024

Let's explore how to obtain a set of documents randomly sorted, regardless of their relevance, in Apache Solr. Written by Anna Ruggero, R&D Software Engineer at Sease.

Impact of Large Stored fields on Apache Solr Query Performance

Published: 8 August 2024

This blog post analyzes the impact of large stored fields on Apache Solr query performance. Written by Elia Porciani, R&D Software Engineer at Sease.

Apache Solr Neural Search Tutorial

Published: 27 July 2024

In this blog post, we show in practice how you can use Apache Solr to index and search vectors and then run a full end-to-end neural search. Written by Ilaria Petreti, Information Retrieval/Machine Learning Engineer at Sease.

Benchmark Apache Solr Performance With Apache JMeter

Published: 15 July 2024

This blog post shows an example of how to create an Apache Solr performance test using the Apache JMeter tool. Written by Ilaria Petreti, Information Retrieval/Machine Learning Engineer at Sease.

Community Over Code EU 2024 Apache Lucene/Solr Birds Of A Feather

Published: 1 July 2024

This blog post is a summary of the Apache Lucene/Solr Birds of a Feather from Community Over Code EU 2024 in Bratislava, Slovakia. Written by Alessandro Benedetti, Director at Sease and Apache Solr Committer and PMC member.

Hybrid Search with Apache Solr

Published: 17 June 2024

This blog post shows how to run a hybrid search (keyword-based search + vectors) in Apache Solr with code examples and explanations. Written by Alessandro Benedetti, Director at Sease and Apache Solr Committer and PMC member.

How To: Contribute to the Apache Solr Blog

Published: 23 April 2024

You have a brilliant idea for Solr's new blog. But what next? How does the blog work, and how can writers contribute posts?

Welcome to the Apache Solr Blog

Published: 22 April 2024

We have a blog? What is it, and why do we have it?