Elek, Marton created HADOOP-15302:
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Summary: Enable DataNode/NameNode service plugins with Service
Provider interface
Key: HADOOP-15302
URL: https://issues.apache.org/jira/browse/HADOOP-15302
Project: Hadoop Common
Issue Type: Improvement
Reporter: Elek, Marton
Assignee: Elek, Marton
HADOOP-5257 introduced ServicePlugin capabilities for NameNode/DataNode. As of
now they could be activated by configuration values.
I propose to activate plugins with Service Provider Interface. In case of a
special service file is added a jar it would be enough to add the plugin to the
classpath. It would help to add optional components to NameNode/DataNode with
settings the classpath.
This is the same api which could be used in java 9 to consume defined services.
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