How should I be troubleshooting Managed Service Cluster Connection to Kafka (Private Link - Outbound)?
The troubleshooting steps are included in this document: Connect out from Managed Service Clusters to Private Networks/Services via AWS PrivateLink.
Go to the section for testing Kafka, and you can use this to pinpoint where the error is happening:
Connecting to Kafka directly.
Connecting to Kafka through NLB, which you set up.
Connecting through SingleStore.
Once you have isolated the issue, check the following
The account you connect from should be in the same region (Ex. AWS N. Virginia).
Are you using SSL to connect? And if so, have you loaded a cert?
Steps documented here: Securely Connect to Kafka from SingleStore.
Regarding the connection from Managed Service cluster to Private Link and networks. Click the links below based on your Cloud Provider,