Implement a 'refreshable' configuration system with right access-controls etc.
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Key: HADOOP-5772
URL: https://issues.apache.org/jira/browse/HADOOP-5772
Project: Hadoop Core
Issue Type: New Feature
Components: conf
Reporter: Arun C Murthy
We have various bits and pieces of code to refresh certain configuration files,
various components to restrict access to who can actually refresh the configs
etc.
I propose we start thinking about a simple system to support this as a
first-class citizen in Hadoop Core...
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