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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14048) The REDO operation of AtomicRename of folder doesn't create a placeholder blob for destination folder
Date Thu, 02 Feb 2017 08:13:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849632#comment-15849632
] 

Hadoop QA commented on HADOOP-14048:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 20s{color} | {color:blue}
Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  0s{color} |
{color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  0s{color} | {color:red}
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} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m 41s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 18s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 13s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 19s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 18s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 27s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 13s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 16s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 14s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 14s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 10s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 15s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 10s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 30s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 10s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 21s{color} | {color:green}
hadoop-azure in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 17s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 20m 31s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HADOOP-14048 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12850600/HADOOP-14048.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 68c88aef74c8 3.13.0-103-generic #150-Ubuntu SMP Thu Nov 24 10:34:17 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 2a942ee |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/11559/testReport/ |
| modules | C: hadoop-tools/hadoop-azure U: hadoop-tools/hadoop-azure |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/11559/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> The REDO operation of AtomicRename of folder doesn't create a placeholder blob for destination
folder
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-14048
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14048
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs/azure
>            Reporter: NITIN VERMA
>            Assignee: NITIN VERMA
>         Attachments: HADOOP-14048.patch
>
>
> While doing manual testing, I realized that the crash recovery of AtomicRename operation
of a folder in AzureNativeFileSystem doesn't create a placeholder property blob for destination
folder. Due to this bug, the destination folder can not be renamed again.
> Below is how I tested this:
> 1. Create a test directory as "/test/A"
> 2. Create 15 block blobs in "/test/A" folder.
> 3. Run "hadoop fs -mv /test/A /test/B" command and crash it as soon as /test/A-RenamePending.json
file is created.
> 4. Now run "hadoop fs -lsr /test" command, which should complete the pending rename operation
(redo) as a part of crash recovery. 
> 5. The REDO method copies the pending files from source folder to destination folder
(by consulting A-RenamePending.json file), but it doesn't create a 0-byte property blob for
/test/B folder, which is a bug as that folder will not be usable for many operations. 



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