Szilard Nemeth created YARN-9680:
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Summary: Code cleanup in ResourcePluginManager init methods
Key: YARN-9680
URL: https://issues.apache.org/jira/browse/YARN-9680
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Szilard Nemeth
We have 2 initializer methods in this class:
1.
org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.ResourcePluginManager#initialize
2.
org.apache.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.ResourcePluginManager#initializePluggableDevicePlugins
Both are overly complex, contains nested conditions / loops.
A simple refactor could be performed (along with tests) on these methods, for
example, by splitting them into smaller methods, as a start.
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