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https://issues.apache.org/jira/browse/HDFS-5476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13816954#comment-13816954
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Hadoop QA commented on HDFS-5476:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12612754/HDFS-5476.001.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 2 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}. The javadoc tool did not generate any
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:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/5359//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5359//console
This message is automatically generated.
> Snapshot: clean the blocks/files/directories under a renamed file/directory
> while deletion
> ------------------------------------------------------------------------------------------
>
> Key: HDFS-5476
> URL: https://issues.apache.org/jira/browse/HDFS-5476
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-5476.001.patch
>
>
> Currently DstReference#destroyAndCollectBlocks may fail to clean the subtree
> under the DstReference node for file/directory/snapshot deletion.
> Use case 1:
> # rename under-construction file with 0-sized blocks after snapshot.
> # delete the renamed directory.
> We need to make sure we delete the 0-sized block.
> Use case 2:
> # create snapshot s0 for /
> # create a new file under /foo/bar/
> # rename foo --> foo2
> # create snapshot s1
> # delete bar and foo2
> # delete snapshot s1
> We need to make sure we delete the file under /foo/bar since it is not
> included in snapshot s0.
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