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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/11/13 20:47:21 UTC

[jira] [Created] (HDFS-5511) improve CacheManipulator interface to allow better unit testing

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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