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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13169) Randomize file list in SimpleCopyListing
Date Wed, 14 Sep 2016 10:11:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15490042#comment-15490042
] 

Hadoop QA commented on HADOOP-13169:
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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 18s{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: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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 29s{color}
| {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 15s{color} |
{color:green} branch-2 passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 19s{color} |
{color:green} branch-2 passed with JDK v1.7.0_111 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 15s{color}
| {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 24s{color} |
{color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 15s{color}
| {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 31s{color} |
{color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 12s{color} |
{color:green} branch-2 passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 16s{color} |
{color:green} branch-2 passed with JDK v1.7.0_111 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 18s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 12s{color} |
{color:green} the patch passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 12s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 16s{color} |
{color:green} the patch passed with JDK v1.7.0_111 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 16s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 12s{color}
| {color:green} hadoop-tools/hadoop-distcp: The patch generated 0 new + 51 unchanged - 1 fixed
= 51 total (was 52) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 21s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 12s{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 39s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m  9s{color} |
{color:green} the patch passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 12s{color} |
{color:green} the patch passed with JDK v1.7.0_111 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  9m  6s{color} | {color:red}
hadoop-distcp in the patch failed with JDK v1.7.0_111. {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} 32m 18s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_101 Failed junit tests | hadoop.tools.TestCopyListing |
| JDK v1.7.0_111 Failed junit tests | hadoop.tools.TestCopyListing |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:b59b8b7 |
| JIRA Issue | HADOOP-13169 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12828422/HADOOP-13169-branch-2-006.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 296911ae3b7b 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2 / 3f36ac9 |
| Default Java | 1.7.0_111 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_101 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_111
|
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/10506/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-distcp-jdk1.7.0_111.txt
|
| JDK v1.7.0_111  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/10506/testReport/
|
| modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/10506/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Randomize file list in SimpleCopyListing
> ----------------------------------------
>
>                 Key: HADOOP-13169
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13169
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: tools/distcp
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>         Attachments: HADOOP-13169-branch-2-001.patch, HADOOP-13169-branch-2-002.patch,
HADOOP-13169-branch-2-003.patch, HADOOP-13169-branch-2-004.patch, HADOOP-13169-branch-2-005.patch,
HADOOP-13169-branch-2-006.patch
>
>
> When copying files to S3, based on file listing some mappers can get into S3 partition
hotspots. This would be more visible, when data is copied from hive warehouse with lots of
partitions (e.g date partitions). In such cases, some of the tasks would tend to be a lot
more slower than others. It would be good to randomize the file paths which are written out
in SimpleCopyListing to avoid this issue.



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