[RATIS-1939] Add TestGrpcZeroCopy

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.1
• Component/s: gRPC, test
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 21/Nov/23 00:45
• Updated: 11/Dec/23 15:26
• Resolved: 29/Nov/23 01:50

Description

This JIRA is to:

1. Add a new TestGrpcZeroCopy.
2. Move ZeroCopyReadinessChecker to test for detecting if future versions of grpc and protobuf support zero copy.
   • We may safely assume grpc and protobuf versions in Ratis always support zero copy, i.e. ZeroCopyReadinessChecker.isReady() always true.
3. Refactor ZeroCopyMessageMarshaller to support zeroCopyCount and nonZeroCopyCount.

Issue Links

• links to: GitHub Pull Request #971