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https://issues.apache.org/jira/browse/HDDS-819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16679141#comment-16679141
 ] 

Hadoop QA commented on HDDS-819:
--------------------------------

| (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 
27s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 25m 
14s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
17s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
28s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
12m 35s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
20s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
20s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 12s{color} | {color:orange} hadoop-ozone/ozonefs: The patch generated 4 new 
+ 0 unchanged - 0 fixed = 4 total (was 0) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
23s{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} shadedclient {color} | {color:green} 
13m 20s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
39s{color} | {color:red} hadoop-ozone/ozonefs generated 1 new + 0 unchanged - 0 
fixed = 1 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
20s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  5m 24s{color} 
| {color:red} ozonefs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
29s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 62m 26s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-ozone/ozonefs |
|  |  Dead store to key in 
org.apache.hadoop.fs.ozone.OzoneFileSystem.o3Exists(Path)  At 
OzoneFileSystem.java:org.apache.hadoop.fs.ozone.OzoneFileSystem.o3Exists(Path)  
At OzoneFileSystem.java:[line 446] |
| Failed junit tests | hadoop.fs.ozone.contract.ITestOzoneContractMkdir |
|   | hadoop.fs.ozone.contract.ITestOzoneContractDistCp |
|   | hadoop.fs.ozone.contract.ITestOzoneContractSeek |
|   | hadoop.fs.ozone.contract.ITestOzoneContractGetFileStatus |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDDS-819 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12947305/HDDS-819.001.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 02deb5bb27d1 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14 
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / c96cbe8 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDDS-Build/1633/artifact/out/diff-checkstyle-hadoop-ozone_ozonefs.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDDS-Build/1633/artifact/out/new-findbugs-hadoop-ozone_ozonefs.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDDS-Build/1633/artifact/out/patch-unit-hadoop-ozone_ozonefs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDDS-Build/1633/testReport/ |
| Max. process+thread count | 3112 (vs. ulimit of 10000) |
| modules | C: hadoop-ozone/ozonefs U: hadoop-ozone/ozonefs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDDS-Build/1633/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Match OzoneFileSystem behavior with S3AFileSystem
> -------------------------------------------------
>
>                 Key: HDDS-819
>                 URL: https://issues.apache.org/jira/browse/HDDS-819
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>         Attachments: HDDS-819.001.patch
>
>
> To match the behavior of o3fs with that of the S3AFileSystem, following 
> changes need to be made to OzoneFileSystem.
>  1. When creating files, we should add only 1 key. Keys corresponding to the 
> parent directories should not be created.
>  2. {{GetFileStatus}} should return the status for fake directories 
> (directories which do not actually exist as a key but there exists a key 
> which is a child of this directory). For example, if there exists a key 
> _/dir1/dir2/file2_, {{GetFileStatus("/dir1/")}} should return _/dir1/_ as a 
> directory.
> 3. {{ListStatus}} on a directory should list fake sub-directories.



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