Harbor synchronous mirror occasional write connection timeout

[smallemployees]

If you are reporting a problem, please make sure the following information are provided:

Expected behavior and actual behavior:
A clear and concise description of what you expected to happen and what's the actual behavior. If applicable, add screenshots to help explain your problem.
How will I change the timeout time
Steps to reproduce the problem:
Please provide the steps to reproduce this problem.
failed to pushing the blob write: connection timed out
Versions:
Please specify the versions of following systems.
v2.2.1

• harbor version: [x.x.x]
• docker engine version: [y.y.y]
• docker-compose version: [z.z.z]

Additional context:

• Harbor config files: You can get them by packaging harbor.yml and files in the same directory, including subdirectory.
• Log files: You can get them by package the /var/log/harbor/ .

[wy65701436]

Please upgrade your harbor instance since v2.2 is out of support, then rerun the scenario. If you still have the same problem, please provide the core and registry log.

[smallemployees]

[smallemployees]

Is there a way to address this issue without upgrading the version? What is the main root cause? Due to architecture reasons, I am unable to upgrade in the short term. Is there any way to alleviate this problem

[wy65701436]

since we apply the n-2 support strategy, the code case has changed a lot since 2.2. The problems that most likely already resolved in the latest release.