Related to #27675
Use `struct{}` instead `error` for sync task future result type to
reduce result size and preventing logci error.
Also change some unused parameter to `_` to suppress lint warning
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
This PR removes all the commented code and files from PR #28320
For naming issue:
- Renaming `MinCheckpoint` to `EarliestPosition`, see #28320 comment
- Renaming `writebuffer.Mananger` to `BufferMananger`, see #27874
comment
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #27675
This PR make previously merged refactory of datanode go online
- Use write node to replace insert/delete node
- Use write buffer manager to control all buffers
- Use sync manager to control sync tasks instead of flush manager
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
