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https://issues.apache.org/jira/browse/HADOOP-13145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran reopened HADOOP-13145:
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Patch as is breaks 2.8,
{code}
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.1:testCompile
(default-testCompile) on project hadoop-distcp: Compilation failure
[ERROR]
/Users/stevel/Projects/hadoop-trunk/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/contract/AbstractContractDistCpTest.java:[80,25]
cannot find symbol
[ERROR] symbol: method getTestDir()
[ERROR] location: class org.apache.hadoop.test.GenericTestUtils
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
{code}
I've reverted the 2.8 patch; left it in branch-2+. Reopening so that a 2.8
specific patch can be added.
> In DistCp, prevent unnecessary getFileStatus call when not preserving
> metadata.
> -------------------------------------------------------------------------------
>
> Key: HADOOP-13145
> URL: https://issues.apache.org/jira/browse/HADOOP-13145
> Project: Hadoop Common
> Issue Type: Improvement
> Components: tools/distcp
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: 2.8.0
>
> Attachments: HADOOP-13145-branch-2.004.patch, HADOOP-13145.001.patch,
> HADOOP-13145.003.patch
>
>
> After DistCp copies a file, it calls {{getFileStatus}} to get the
> {{FileStatus}} from the destination so that it can compare to the source and
> update metadata if necessary. If the DistCp command was run without the
> option to preserve metadata attributes, then this additional
> {{getFileStatus}} call is wasteful.
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