Attila Doroszlai created HDDS-14018:
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Summary: Avoid repeated operations in
SCMNodeManager#getNodeStatistics
Key: HDDS-14018
URL: https://issues.apache.org/jira/browse/HDDS-14018
Project: Apache Ozone
Issue Type: Improvement
Components: SCM
Reporter: Attila Doroszlai
Assignee: Attila Doroszlai
Possible improvements for {{SCMNodeManager#getNodeStatistics}}:
- avoid repeated {{getAllNodes()}} calls, store and reuse the list
- each {{get...NodeCount()}} method called by {{nodeStateStatistics}}
separately iterates nodes, filtering for the specific state
- {{nodeUsageStatistics}} may base its calculations on values aggregated by
{{nodeSpaceStatistics}} instead of iterating storage reports itself
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