MarkGaox opened a new issue, #2655:
URL: https://github.com/apache/helix/issues/2655
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is.
The current limitation of the stoppable check API restricts the evaluation
of stoppable instances to a single zone, even when instances from multiple
zones are provided in the given list. There's a need to extend this
functionality to support cross-zone stoppable checks.
**Describe the solution you'd like**
A clear and concise description of what you want to happen.
- [ ] Refactor the existing single-zone stoppable check logic into a
separate function for modularity and easier extension.
- [ ] Modify the MIN_REPLICA_CHECK to account for instances already marked
for stopping, ensuring a comprehensive cross-zone evaluation.
- [ ] Integrate the stoppable check functionality with the helix-rest cache
to minimize the load on Zookeeper reads and ensure efficient operation.
- [ ] Ensure the stoppable check logic bypasses instances tagged with
"SWAP_IN", "SWAP_OUT", or "EVACUATING" to maintain system integrity during
operation shifts.
**Additional context**
Add any other context or screenshots about the feature request here.
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