ElasticSearch OpenSearch
ElasticSearch OpenSearch

ElasticSearch vs OpenSearch – Basics and Overview

Nowadays, the development of technologies is very fast. And it’s no secret that one of the main fundamental entities is data. The data that we can digitize, write, store, and use is partly what promotes information technology. For such purposes, databases, or rather database management systems, were invented in the last century. However, with the growing volume of information, it has become extremely difficult to perform dynamic, fast, and customizable searches. For these purposes, technologies such as elastic search engine and opensearch have been developed to help solve this problem. In this article, we will look at two technologies that, in turn, have common roots, but different branches of development.

What is ElasticSearch?

ElasticSearch is an open-source search engine based on the well-known ApacheLucene library. This search engine uses full-text search technology as well as analysis of unstructured and large structured data. Elasticsearch indexes data from an infinite number of different sources, including the largest databases, log logs, and other data stores.

One of the most important features of Elasticsearch is its ability to scale automatically. Elastic searching can also run in a cluster from a single node or from multiple nodes, which allows you to distribute indexing and search across different nodes. Elastic search also supports data replication and sharding, which in turn ensures high availability and performance of the system as a whole.

How to Use ElasticSearch?

Use Elasticsearch provides a wide range of search features, including synonyms, autocomplete, phrase matching, advanced pattern matching, and so on. Elasticsearch also allows you to aggregate data, providing the ability to calculate statistics, summaries, measurements, and filtering.

Another important feature of the Elasticsearch algorithm is its ability to process and analyze data. Elastic search query can be used to detect anomalies and create dashboards to monitor data. It can also be used to process and analyze log data, making it easier to monitor and debug applications. Elasticsearch provides a wide range of search features, including phrase matching, synonyms, auto-completion, advanced pattern search, and more. Elasticsearch also allows you to aggregate data, providing the ability to calculate statistics, summaries, dimensions, and filtering.

Elasticsearch has an extensive community and a wealth of documentation, which makes it easier to develop and maintain applications that use Elasticsearch. It also integrates with many other technologies and frameworks, including Logstash, Kibana, Beats, and many others.

What is Open Search?

OpenSearch is an open standard for finding information on the Internet developed by Amazon. This standard allows sites to index their content and provide users with the ability to search for information on sites directly from search engines.

One of the main reasons for creating OpenSearch AWS was the need to simplify access to information found on sites. Thanks to this standard, users can search for information on websites without accessing them directly. This simplifies search and saves users time.

One of the main advantages of this open source search engine is the ability to easily search for information on sites that do not support standard RSS or Atom formats. The standard also allows sites to set their own logo and notifications so that users can easily distinguish search results from various other sites.

Where is OpenSearch Used?

Open Search AWS service has many different uses. It can be used to search for information on the site, search for the nearest shops or restaurants, search for flights, etc. Thanks to this standard, the search for information on sites has become much more convenient and faster.

In addition, OpenSearch is an open source search, which allows developers to easily create their own tools for working with search. The standard is also supported by various search engines, such as Google, Yahoo, and Microsoft Bing.

Elasticsearch and OpenSearch. What’s Better?

Elasticsearch and OpenSearch are two popular search engines that have a lot in common but also differ from each other. Both systems are based on the Lucene search engine, but they differ in their approaches to project management and development.

Elasticsearch is an open-source project and it was created by Elastic. It provides a distributed search and analysis system that is capable of processing large amounts of structured and unstructured data. Elasticsearch has a large community of users and developers who create additional tools and extensions.

Elasticsearch Tools:

  • Kibana
  • Logstash
  • Beats

OpenSearch is a fork project of Elasticsearch, created after Elastic started changing the licensing terms of its product. It is open source web search engine and is maintained and developed by the developer community. Open Search also provides a distributed search and analytics system that supports many of the features available in Elasticsearch.

Differences Between ElasticSearch and OpenSearch

However, there are a few differences between Elasticsearch and OpenSearch. First, Open Search has a more open development process than Elasticsearch, and it doesn’t depend on a single commercial vendor. Second, OpenSearch has a more transparent and accessible licensing model, which makes it more attractive to many users.

It’s also worth noting that OpenSearch is still in its infancy, and its ecosystem of tools and extensions is still not as developed as Elasticsearch. Some of the ingesting features available in Elasticsearch may not be available in OpenSearch, but this may change in the future as the project evolves and expands.


In general, the choice between the new Elasticsearch system or the basic OpenSearch system depends on your specific needs and preferences. If you are looking for a stable and widely used search engine, then Elasticsearch might be your best bet. If you are looking for a more open and accessible project, then OpenSearch may be preferable. In any case, the choice is always yours. Both of these projects have proven themselves very well in working with huge amounts of data, which makes it possible to simplify and speed up the search for information at times. Which in turn has a positive effect on large projects. As a result, the end user gets a fast response to search for data. You should also not forget that these technologies have the same past, and when moving from one technology to another, a programmer does not need to spend a lot of time studying a similar system.