Colin Patrick McCabe created HDFS-5511:
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Summary: improve CacheManipulator interface to allow better unit
testing
Key: HDFS-5511
URL: https://issues.apache.org/jira/browse/HDFS-5511
Project: Hadoop HDFS
Issue Type: Sub-task
Components: datanode
Affects Versions: 3.0.0
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
The CacheManipulator interface has been helpful in allowing us to stub out
{{mlock}} in cases where we don't want to test it. We should move the
{{getMemlockLimit}} and {{getOperatingSystemPageSize}} functions into this
interface as well so that we don't have to skip these tests on machines where
these methods would ordinarily not work for us.
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