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Category: Apache Solr

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Apache Solr Main Blog
large stored fields
_ Elia Porciani

Impact of Large Stored fields on Apache Solr Query Performance

This blog post will analyze the impact of large stored fields on Apache Solr query performance.

READ MORE ♥10
Apache Solr Event
_ Alessandro Benedetti

Apache Solr: the Top 10 Things We Can Do Better – ApacheCon 2022 Edition

The Apache Solr Birds of a Feather from ApacheCon NA 2022 in New Orleans taught us we can improve Solr in many ways… This is the TOP-10!

READ MORE ♥26
Apache Solr Learning To Rank Main Blog
categorical features
_ Anna Ruggero

Categorical Features in Apache Solr Learning to Rank

In this blog post we present the available learning to rank Apache Solr features with a focus on categorical features and how to manage them.

READ MORE ♥27
Apache Solr Main Blog
QueryResultCache and FilterCache in Apache Solr
_ Daniele Antuzi

QueryResultCache and FilterCache in Apache Solr

This blog is meant to explain how QueryResultCache and FilterCache are used during the basic query processing in Apache Solr 8.11.0. This blog does not explain how these caches are used during the execution of more advanced components like faceting. Solr caches are associated with a specific instance of an Index Searcher. By default, elements…

READ MORE ♥31
Apache Solr Main Blog
_ Anna Ruggero

How the Feature Vector Cache Is Used in Apache Solr

How the FeatureLogger works? When the Feature Vector Cache is used in Solr? Is the cache speeding up the rerank process?

READ MORE ♥35
Apache Solr Main Blog
_ Alessandro Benedetti

Apache Solr Neural Search

Neural Search in Apache Solr has been contributed by Sease thanks to Alessandro Benedetti, Apache Lucene/Solr committer, and Elia Porciani.

READ MORE ♥59
Apache Solr Main Blog
_ Anna Ruggero

Apache Solr Learning To Rank Feature Extraction and qTime

How a learning to rank query works in Solr? How we can obtain the required features extraction time from the Solr qTime parameter?

READ MORE ♥39
Apache Solr Main Blog
Apache Solr sow Parameter
_ Alessandro Benedetti

Apache Solr sow Parameter (Split on Whitespace) and Multi-Field Full-Text Search

How eDismax sow parameter works The sow(split on whitespace) is an eDismax query parser parameter [1] that regulates aspects of query time text analysis that impact how the user query is parsed and the internal Lucene query is built.It is particularly relevant in multi-term and multi-field search.If sow=true : first the user query text is…

READ MORE ♥92
Apache Solr Tips And Tricks
_ Anna Ruggero

Common Errors with Apache Solr Feature and Model Stores

Common errors and warnings in manipulating feature stores and models in Solr. Pay attention also to JVM Heap and Zookeeper.

READ MORE ♥95
Apache Solr Learning To Rank Tips And Tricks
_ Anna Ruggero

Apache Solr Learning to Rank Feature Stores and Models

How to list, upload, delete feature stores and models necessary in Solr for learning to rank.

READ MORE ♥102
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Recent Posts
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    Impact of Large Stored fields on Apache Solr Query Performance
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