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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6294) Use INode IDs to avoid conflicts when a file open for write is renamed
Date Sat, 10 May 2014 22:08:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13992531#comment-13992531
] 

Hadoop QA commented on HDFS-6294:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12643887/HDFS-6294.004.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 13 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.TestFileCreation

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6858//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6858//console

This message is automatically generated.

> Use INode IDs to avoid conflicts when a file open for write is renamed
> ----------------------------------------------------------------------
>
>                 Key: HDFS-6294
>                 URL: https://issues.apache.org/jira/browse/HDFS-6294
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 0.20.1
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-6294.001.patch, HDFS-6294.002.patch, HDFS-6294.003.patch, HDFS-6294.004.patch
>
>
> Now that we have a unique INode ID for each INode, clients with files that are open for
write can use this unique ID rather than a file path when they are requesting more blocks
or closing the open file.  This will avoid conflicts when a file which is open for write is
renamed, and another file with that name is created.



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