[RATIS-1990] Refactor appendEntries processing to support reference count

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.0
• Component/s: server
• Assignee: Duong
• Reporter: Duong
• Created: 05/Jan/24 06:30
• Updated: 18/Jan/24 16:48
• Resolved: 18/Jan/24 08:23

Description

RATIS-1934 needs to release the underlying buffer after

• RaftServerAsynchronousProtocol.appendEntriesAsync, and
• evictCache.

In this JIRA, we refactor the code to support reference count. The buffer can be released once the count has decremented to zero.

Issue Links

• relates to: RATIS-1934 Support Zero-Copy in GrpcServerProtocolService
• relates to: RATIS-1983 Refactor client request processing to support reference count
• links to: GitHub Pull Request #1011