In WSO2 Enterprise
Integrator 7 there is a very interesting and performant ETL
capability that is worth studying
https://ei.docs.wso2.com/en/latest/streaming-integrator/guides/performing-etl-tasks/
For those with a
greater focus on the cloud, there is the AWS Athena…
The WSO2 Enterprise
Integrator itself already acts as an ESB and can perfectly function
as your corporate bus.
Suggestion: WSO2
Enterprise Integrator 7 or higher