[FLINK-25977] Close sink client and sink http client for KDS/KDF Sinks

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.15.0
• Component/s: Connectors / Kinesis
• Labels: pull-request-available
• Assignee: Zichen Liu
• Reporter: Zichen Liu
• Created: 07/Feb/22 11:15
• Updated: 23/Feb/22 08:51
• Resolved: 22/Feb/22 08:54

Description

We are not closing the AWS SDK and HTTP clients for the new KDS/KDF async sink. The close method needs to be invoked when operator stops.

Issue Links

• is a clone of: FLINK-25976 Update the KDS and KDF Sink's defaults & update the docs
• is duplicated by: FLINK-25948 KDS / KDF Sink should call .close() to clean up resources
• relates to: FLINK-26006 KinesisFirehoseSinkITCase leaks resources
• links to: GitHub Pull Request #18686