What are the major difference between ElasticSearch and OpenSearch?

Question

We are planning to leverage OpenSearch for the XDR kind of project. We want to leverage most of the major features like Alerting, Detection, Machine Learning for Anomaly Detection, etc. So, I want to know that, are there any downsides of using OpenSearch instead of Elasticsearch for this particular use case.

I also didn’t find any proper comparison between Elasticsearch vs OpenSearch over the internet. So, can someone please provide the link or resource where I can have a detailed comparison?

Smoothshaven

Answer 1

OpenSearch is an AWS fork of ElasticSearch. Announcing Amazon OpenSearch Service which Supports OpenSearch 1.0 lists the OpenSearch features.

What is OpenSearch? Comparing OpenSearch and Elasticsearch is an article by ElasticSearch comparing the two (biased toward ElasticSearch).

Elasticsearch vs. OpenSearch Business Decision Tree gives guidance for people already using ElasticSearch or Kibana.

Bolster

it's not "kind of forked", it is a definitive fork. as such it's no longer Elasticsearch or Kibana :) – Novelia

I find it hard to believe that a post from elastic search themselves will provide the complete picture. They are incentivized to portray their own product as superior. – Asuncionasunder

From the post by ElasticSearch: "Elasticsearch emerges as the clear choice", "Elasticsearch and Kibana offer superior product capabilities and maturity". This does not read like an objective comparison to me. @EmptySpace is right. – Intact