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From "Szilard Nemeth (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9680) Code cleanup in ResourcePluginManager init methods
Date Mon, 15 Jul 2019 14:51:00 GMT
Szilard Nemeth created YARN-9680:

             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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