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AWS Renames Amazon Elasticsearch Service to Amazon OpenSearch Service

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Recently AWS announced that it would rename Amazon Elasticsearch Service to Amazon OpenSearch Service. With the renaming, the company releases the service with OpenSearch 1.0 support and makes it the successor to Amazon Elasticsearch Service.

Earlier this year, AWS and others created the fork in response to licensing changes made by Elastic. Moreover, the company also announced that they intended to rename the Amazon Elasticsearch Service to Amazon OpenSearch Service. Later in August, the company made the fork generally available. It has now been renamed to Amazon OpenSearch Service - and offers a choice of open-source engines to deploy and run, including the currently available 19 versions of ALv2 Elasticsearch 7.10 and earlier and OpenSearch 1.0.

OpenSearch provides several features that were not previously available in open-source Elasticsearch, ranging from advanced security to dashboard notebooks. Furthermore, OpenSearch 1.0 supports three new features that were not available in the existing Elasticsearch versions supported on Amazon OpenSearch Service: Transforms, Data Streams, and Notebooks in OpenSearch Dashboards.

Users can create a new domain and select OpenSearch 1.0 using the AWS Management Console to leverage Amazon OpenSearch Service. Furthermore, they can also opt to upgrade a domain to OpenSearch 1.0. Users can perform interactive log analytics, real-time application monitoring, website search, and more with the service setup.


The company will, according to an AWS News blog post about the renaming of the service by principal developer advocate for AWS Channy Yun:

  • Continue to support and maintain the ALv2 Elasticsearch versions with security and bug fixes.
  • Deliver all-new features and functionality through OpenSearch and OpenSearch Dashboards. In addition, Amazon OpenSearch Service APIs will be backward-compatible with the existing service APIs, so there is no need for users to update their current client code or applications.
  • Keep clients of OpenSearch compatible with open source.

A respondent on a Hacker News thread about the renaming to Amazon OpenSearch Service stated:

Amazon is the better steward of open-sourced Elastic Search, hands down, because nobody else is doing it. I'm not even sure that stewardship of the technology's proliferation is TBD. Didn't Elastic close the source because they feared Amazon was taking too much of their potential revenue? Elastic gambled that only they could carry the technology forward, and they lost that bet. I'll grant it's possible Elastic could become more competitive with Amazon+OpenSearch somehow down the road, however it appears that right now Elastic is on its heels while Amazon is driving forward. It's also possible that another closed-source search engine will become popular. 

Currently, Amazon OpenSearch Service is available in 25 regions globally, and more details are available on the documentation landing page and FAQs. Furthermore, pricing details of the service can be found on the pricing page.

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