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Mastering Apache Solr 7.x

Mastering Apache Solr 7.x

By : Nair, Mehta, Dharmesh Vasoya
3.8 (5)
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Mastering Apache Solr 7.x

Mastering Apache Solr 7.x

3.8 (5)
By: Nair, Mehta, Dharmesh Vasoya

Overview of this book

Apache Solr is the only standalone enterprise search server with a REST-like application interface. providing highly scalable, distributed search and index replication for many of the world's largest internet sites. To begin with, you would be introduced to how you perform full text search, multiple filter search, perform dynamic clustering and so on helping you to brush up the basics of Apache Solr. You will also explore the new features and advanced options released in Apache Solr 7.x which will get you numerous performance aspects and making data investigation simpler, easier and powerful. You will learn to build complex queries, extensive filters and how are they compiled in your system to bring relevance in your search tools. You will learn to carry out Solr scoring, elements affecting the document score and how you can optimize or tune the score for the application at hand. You will learn to extract features of documents, writing complex queries in re-ranking the documents. You will also learn advanced options helping you to know what content is indexed and how the extracted content is indexed. Throughout the book, you would go through complex problems with solutions along with varied approaches to tackle your business needs. By the end of this book, you will gain advanced proficiency to build out-of-box smart search solutions for your enterprise demands.
Table of Contents (10 chapters)
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Loading sample data

Now that we've got acquainted with Solr and the various commands involved in Solr's day-to-day usage, let's populate it with data so that we can query it as needed. Solr comes with sample data in examples. We will use the same $solr_home/example/films for our queries.

Fire up the terminal and create a collection films with 10 shards:

 solr\bin create -c films -shards 10

Now, in $solr_home/example/films there is file called file.json. Let's import it into our collection, films. Based on your OS, hit the appropriate command for the post script or post.jar.

Uh Oh!! It throws an error, as follows:

What must have gone wrong? By checking the logs while creating the collection, you must have seen a warning.

Warning
Using _default config set data driven schema functionality is enabled by default, which is not recommended for production use.

To...

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