[FLINK-25742] Remove the redundant serialization of RPC invocation at Flink side.

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Done
• Fix Version/s: 1.15.0
• Component/s: Runtime / Network
• Labels: pull-request-available
• Assignee: Yangze Guo
• Reporter: Yangze Guo
• Created: 21/Jan/22 01:17
• Updated: 10/Feb/22 09:38
• Resolved: 10/Feb/22 09:38

Issue Links

• links to: GitHub Pull Request #18434