Shilun Fan created HDDS-11481:
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Summary: Enhanced SCM Support for DataNode Management
Key: HDDS-11481
URL: https://issues.apache.org/jira/browse/HDDS-11481
Project: Apache Ozone
Issue Type: Wish
Components: SCM
Reporter: Shilun Fan
Assignee: Shilun Fan
I plan to enhance SCM's support for DataNode management, including features
like blacklist and whitelist.
Compared to the DataNode management functionality in HDFS, SCM's DataNode
management still has some incomplete features:
1. For instance, the blacklist and whitelist functionality is missing.
Currently, all DataNodes can register with SCM once they are started, but for
the sake of completeness, we should implement a blacklist feature.
2. The display list function for DataNodes in SCM is not user-friendly, with
the following issues:
-The list does not support global sorting.
- It cannot display the decommissioning progress. Once the decommissioning
process begins, we can only passively refresh the page or rely on metrics to
make judgments.
- Key information about DataNodes is missing from the list, such as the number
of containers and the number of pipelines.
3. In HDFS, if multiple DataNode versions are detected in the cluster, there
are helpful prompts, but SCM's recognition and support for multiple DataNode
versions are insufficient.
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