Zhen Ye 508264f953
fix: querynode upgrade from 2.5 get stucked (#42502)
issue: #42492

- consider the old RO query node (not streaming node) when balancing
channel.
- querynode graceful stop can be done if there's only L0 segment exists.

Signed-off-by: chyezh <chyezh@outlook.com>
2025-06-04 11:20:30 +08:00
..
2022-10-11 11:39:22 +08:00