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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12690) Consolidate access of sun.misc.Unsafe
Date Tue, 05 Jan 2016 01:31:39 GMT
Junping Du created HADOOP-12690:

             Summary: Consolidate access of sun.misc.Unsafe 
                 Key: HADOOP-12690
                 URL: https://issues.apache.org/jira/browse/HADOOP-12690
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Junping Du
            Assignee: Junping Du

Per discussion in Hadoop-12630 (https://issues.apache.org/jira/browse/HADOOP-12630?focusedCommentId=15082142&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15082142),
we found the access of sun.misc.Unsafe could be problematic for some JVMs in other platforms.
Also, hints from other comments, it is better to consolidate it as a helper/utility method
to shared with several places (FastByteComparisons, NativeIO, ShortCircuitShm). 

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