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Posted to common-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2017/09/11 05:22:02 UTC
[jira] [Commented] (HADOOP-12690) Consolidate access of
sun.misc.Unsafe
[ https://issues.apache.org/jira/browse/HADOOP-12690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16160726#comment-16160726 ]
Hadoop QA commented on HADOOP-12690:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 6s{color} | {color:red} HADOOP-12690 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-12690 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12789041/HADOOP-12690-v3.1.patch |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/13235/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> 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
> Attachments: HADOOP-12690.patch, HADOOP-12690-v2.1.patch, HADOOP-12690-v2.patch, HADOOP-12690-v3.1.patch, HADOOP-12690-v3.patch
>
>
> 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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