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Posted to reviews@helix.apache.org by GitBox <gi...@apache.org> on 2021/10/22 21:45:50 UTC
[GitHub] [helix] xyuanlu opened a new issue #1896: Add clusterMaintenanceService in helix-rest
xyuanlu opened a new issue #1896:
URL: https://github.com/apache/helix/issues/1896
**Is your feature request related to a problem? Please describe.**
Helix users could have an automation or maintenance coordinator. That service may need to read from ZK or Helix to get cluster state related info for their check or further maintenance operation. Although Helix health check API already provides some services, user still need to integrate these imperative APIs into their workflow. This will cause extra traffic and duplicate logic.
**Describe the solution you'd like**
We would like to extend current helix health check into a cluster maintenance service. It will only only perform previous health check, but also support user customized operation check and operation execution.
The cluster maintenance service module will allow user to extend an abstract operation class that has access to a per call cache to inject customized operation check and execution in to this rest service.
This service will provide health check APIs and take/freeInstance API for operations. These APIs will be provided both for single instance and in batch mode.
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[GitHub] [helix] xyuanlu closed issue #1896: Add clusterMaintenanceService in helix-rest
Posted by GitBox <gi...@apache.org>.
xyuanlu closed issue #1896:
URL: https://github.com/apache/helix/issues/1896
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