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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7878) API - expose an unique file identifier
Date Tue, 07 Apr 2015 23:36:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14484342#comment-14484342
] 

Hadoop QA commented on HDFS-7878:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12723710/HDFS-7878.05.patch
  against trunk revision d27e924.

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {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
2.0.3) 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-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.web.TestWebHDFS

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/10195//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/10195//console

This message is automatically generated.

> API - expose an unique file identifier
> --------------------------------------
>
>                 Key: HDFS-7878
>                 URL: https://issues.apache.org/jira/browse/HDFS-7878
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HDFS-7878.01.patch, HDFS-7878.02.patch, HDFS-7878.03.patch, HDFS-7878.04.patch,
HDFS-7878.05.patch, HDFS-7878.patch
>
>
> See HDFS-487.
> Even though that is resolved as duplicate, the ID is actually not exposed by the JIRA
it supposedly duplicates.
> INode ID for the file should be easy to expose; alternatively ID could be derived from
block IDs, to account for appends...
> This is useful e.g. for cache key by file, to make sure cache stays correct when file
is overwritten.



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