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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7178) FileSystem should have an option to control the .crc file creations at Local.
Date Wed, 27 Jul 2011 20:04:10 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071960#comment-13071960
] 

Hadoop QA commented on HADOOP-7178:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12488016/HADOOP-7178.1.patch
  against trunk revision 1151594.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/775//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/775//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/775//console

This message is automatically generated.

> FileSystem should have an option to control the .crc file creations at Local.
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-7178
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7178
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>         Attachments: HADOOP-7178.1.patch, HADOOP-7178.patch, HADOOP-7178_COMMON.patch,
HADOOP-7178_HDFS.patch
>
>
> When we copy the files from DFS to local, it is creating the .crc files in local filesystem
for the verification of checksum. When user dont want to do any check sum verifications, this
files will not be useful. 
> Command line already has an option ignoreCrc, to control this.
> So, we should have the similar option on FileSystem also..... like fs.ignoreCrc().
>  This should set the setVerifyChecksum to false and also should select the non CheckSumFileSystem
as local fs.

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