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Elasticsearch vs. Solr: Which one is better?


Table of contents :


Elasticsearch and Solr are two of the most popular and widely-used search engines in the field of information retrieval. Both offer powerful features and are capable of handling large-scale search applications efficiently. However, when it comes to choosing between Elasticsearch and Solr, it can be challenging to determine which one is better suited for your specific use case. In this post, we will explore the differences between Elasticsearch and Solr, compare their key features, and discuss how WPSOLR can help enhance your search capabilities.



Elasticsearch is a real-time search and analytics engine built on top of the Apache Lucene library. It is known for its distributed architecture, scalability, and speed. One of the key advantages of Elasticsearch is its ability to handle large volumes of data efficiently, making it an excellent choice for applications that require real-time data analysis.

To interact with Elasticsearch in PHP, you can use the official Elasticsearch PHP client library. Here’s an example of how to index a document using the Elasticsearch PHP client:

$client = Elasticsearch\ClientBuilder::create()->build();

$params = [
    'index' => 'my_index',
    'id' => 'my_id',
    'body' => [
        'title' => 'My Document Title',
        'content' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',

$response = $client->index($params);



Solr is another popular search platform built on top of Apache Lucene. It is widely used for full-text search, faceted search, and advanced search capabilities. Solr offers a rich set of features, including distributed searching, replication, and load balancing. It also provides extensive configuration options, making it highly flexible and customizable.

Similar to Elasticsearch, Solr also provides a PHP client library for interacting with the search engine. Here’s an example of how to index a document using the Solr PHP client:

$client = new SolrClient([
    'hostname' => 'localhost',
    'port' => 8983,
    'path' => '/solr/my_core',

$doc = new SolrInputDocument();

$doc->addField('title', 'My Document Title');
$doc->addField('content', 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.');

$updateResponse = $client->addDocument($doc);
$response = $client->commit();


Comparing Elasticsearch and Solr

When it comes to performance, Elasticsearch and Solr offer similar speeds and efficiency. However, Elasticsearch is generally considered to be more user-friendly and simpler to set up, thanks to its RESTful API and flexible schema-less structure. On the other hand, Solr’s advanced configuration options give it an edge when it comes to fine-tuning and customizing the search engine to meet specific requirements.

Elasticsearch has robust support for real-time search and analytics, making it ideal for applications that require up-to-date data analysis. It also offers strong support for handling geospatial data, making it a popular choice for location-based search applications. Solr, on the other hand, excels in offering extensive faceted search capabilities, allowing users to refine search results based on various facets or categories.


How WPSOLR can help

WPSOLR is a WordPress plugin that seamlessly integrates Elasticsearch and Solr with your WordPress website, enhancing the search functionality and performance. With WPSOLR, you can leverage the power of Elasticsearch or Solr without having to write complex code or manually manage the search infrastructure.

WPSOLR provides a user-friendly interface for configuring the search engine, indexing content, and customizing the search behavior. Additionally, it offers advanced features like search result highlighting, spelling suggestions, fuzzy search, and search filters. It also supports multilingual search and offers integrations with popular plugins like WooCommerce and bbPress.



Choosing between Elasticsearch and Solr ultimately depends on your specific requirements and preferences. Both search engines offer powerful features, scalability, and performance. Elasticsearch is well-suited for real-time data analysis and handling geospatial data, while Solr excels in faceted search and customization options.

If you’re using WordPress, WPSOLR can help enhance your search capabilities by seamlessly integrating Elasticsearch or Solr with your website. With its user-friendly interface and advanced features, WPSOLR simplifies the process of configuring and managing the search engine, allowing you to provide a better search experience for your users.

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