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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12384) Add "-direct" flag option for fs copy so that user can choose not to create "._COPYING_" file
Date Tue, 08 Sep 2015 17:03:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14735162#comment-14735162
] 

Hudson commented on HADOOP-12384:
---------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2305 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2305/])
HADOOP-12384. Add '-direct' flag option for fs copy so that user can choose not to create
'._COPYING_' file (Contributed by J.Andreina) (vinayakumarb: rev 090d26652c04916a1ede4ca55e7f2ca4fc5f6249)
* hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFsShellCopy.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/CommandWithDestination.java
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-common-project/hadoop-common/src/test/resources/testConf.xml
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/CopyCommands.java


> Add "-direct" flag option for fs copy so that user can choose not to create "._COPYING_"
file
> ---------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-12384
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12384
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 2.7.0
>            Reporter: Chen He
>            Assignee: J.Andreina
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8698.1.patch, HDFS-8698.2.patch, HDFS-8698.3.patch
>
>
> Because CLI is using CommandWithDestination.java which add "._COPYING_" to the tail of
file name when it does the copy. For blobstore like S3 and Swift, to create "._COPYING_" file
and rename it is expensive. "-direct" flag can allow user to avoiding the "._COPYING_" file.



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