Graylog with Amazon OpenSearch and DocumentDB?

Yes, Graylog can be set up with Amazon OpenSearch Service and Amazon DocumentDB.

Amazon OpenSearch Service is a fully managed search and analytics engine compatible with Elasticsearch, which Graylog uses for storing and searching log data. Amazon OpenSearch Service can be used as a drop-in replacement for Elasticsearch in Graylog's architecture.

Amazon DocumentDB is a fully managed document database service that is compatible with MongoDB workloads. Since Graylog typically uses MongoDB for storing metadata and configuration, Amazon DocumentDB can be used as a replacement for MongoDB in a Graylog setup.

When setting up Graylog with these AWS services, there are a few things to keep in mind:

1. Connectivity: Ensure that your Graylog instances can connect to both Amazon OpenSearch Service and Amazon DocumentDB. This may involve configuring VPC settings, security groups, and network access controls.

2. Authentication: Both Amazon OpenSearch Service and Amazon DocumentDB support various authentication mechanisms. You'll need to configure Graylog to use the appropriate authentication method for each service.

3. Performance: Consider the performance requirements of your Graylog setup and choose appropriate instance types and sizes for both Amazon OpenSearch Service and Amazon DocumentDB.

4. Scalability: Both services offer scalability options, allowing you to adjust resources as your log data volume grows.

5. Compatibility: Ensure that the versions of Amazon OpenSearch Service and Amazon DocumentDB you choose are compatible with your version of Graylog.

By using these AWS managed services, you can benefit from their scalability, high availability, and reduced operational overhead while running Graylog for your log management needs.
Sources
Connecting to Amazon DocumentDB - Getting Started with Amazon DocumentDB (with MongoDB Compatibility)
Getting Started with Amazon DocumentDB (with MongoDB Compatibility) - Getting Started with Amazon DocumentDB (with MongoDB Compatibility)
Using an OpenSearch Ingestion pipeline with Amazon DocumentDB - Amazon OpenSearch Service

Hello, I haven't used Graylog, but I found these links that might be useful to you:

https://jsonobject.hashnode.dev/how-to-install-graylog-in-aws-cloud

https://go2docs.graylog.org/current/downloading_and_installing_graylog/installing_graylog.html?tocpath=Install%20Graylog%7C_____0