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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13916) Distcp SnapshotDiff not completely implemented for supporting WebHdfs
Date Sun, 16 Sep 2018 23:33:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16616943#comment-16616943
] 

Hadoop QA commented on HDFS-13916:
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 14s{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} 19m 32s{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 19s{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  0s{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 33s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 19s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 26s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 21s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 21s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 14s{color}
| {color:orange} hadoop-tools/hadoop-distcp: The patch generated 15 new + 31 unchanged - 0
fixed = 46 total (was 31) {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} 12m 30s{color}
| {color:green} patch has no errors when building and testing our client artifacts. {color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 38s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 18s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 12m 15s{color} | {color:green}
hadoop-distcp in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 25s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 61m 45s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | HDFS-13916 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12939905/HDFS-13916.patch
|
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit
 shadedclient  findbugs  checkstyle  |
| uname | Linux 96513b4a609b 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 / 07385f8 |
| 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-HDFS-Build/25070/artifact/out/diff-checkstyle-hadoop-tools_hadoop-distcp.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/25070/testReport/ |
| Max. process+thread count | 314 (vs. ulimit of 10000) |
| modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/25070/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Distcp SnapshotDiff not completely implemented for supporting WebHdfs
> ---------------------------------------------------------------------
>
>                 Key: HDFS-13916
>                 URL: https://issues.apache.org/jira/browse/HDFS-13916
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: distcp, webhdfs
>    Affects Versions: 3.0.1, 3.1.1
>            Reporter: Xun REN
>            Assignee: Xun REN
>            Priority: Major
>              Labels: easyfix, newbie, patch
>         Attachments: HDFS-13916.patch
>
>
> [~ljain] has worked on the JIRA: https://issues.apache.org/jira/browse/HDFS-13052 to
provide the possibility to make DistCP of SnapshotDiff with WebHDFSFileSystem. However, in
the patch, there is no modification for the real java class which is used by launching the
command "hadoop distcp ..."
>  
> You can check in the latest version here:
> [https://github.com/apache/hadoop/blob/branch-3.1.1/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpSync.java#L96-L100]
> In the method "preSyncCheck" of the class "DistCpSync", we still check if the file system
is DFS. 
> So I propose to change the class DistCpSync in order to take into consideration what
was committed by Lokesh Jain.



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