Benjamin Teke created YARN-10355:
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Summary: Refactor NM ContainerLaunch.java#orderEnvByDependencies
Key: YARN-10355
URL: https://issues.apache.org/jira/browse/YARN-10355
Project: Hadoop YARN
Issue Type: Improvement
Components: yarn
Reporter: Benjamin Teke
The
{{org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch#orderEnvByDependencies}}
and it's helper method {{getEnvDependencies }}(together with the overrides) is
hard to read. Some improvements could be made:
* use Pattern matching in the overrides of getEnvDependencies instead of
iterating through the environmental variable strings char by char
* the unit tests contains a lot of repeated code and generally the test
methods are long - it could be separated into different setup/helper and
assertion methods
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