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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8065) distcp should have an option to compress data while copying.
Date Fri, 29 Apr 2016 10:47:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263892#comment-15263892
] 

Hadoop QA commented on HADOOP-8065:
-----------------------------------

| (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 10s {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 55s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 15s {color} |
{color:green} trunk passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 14s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 22s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 1m 16s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 30s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 11s {color} |
{color:green} trunk passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 14s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {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_91 {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 14s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 14s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 12s {color} | {color:red}
hadoop-tools/hadoop-distcp: The patch generated 2 new + 61 unchanged - 0 fixed = 63 total
(was 61) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 19s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 11s {color}
| {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s {color} | {color:red}
The patch has 2 line(s) that end in whitespace. Use git apply --whitespace=fix. {color} |
| {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 10s {color} |
{color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 12s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m 15s {color} | {color:green}
hadoop-distcp in the patch passed with JDK v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 5s {color} | {color:green}
hadoop-distcp in the patch passed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 19s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 29m 22s {color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:cf2ee45 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12801430/HADOOP-8065-trunk_2016-04-29-2.patch
|
| JIRA Issue | HADOOP-8065 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux cb750ca019f9 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 | trunk / 4a85085 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_91 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
|
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/9227/artifact/patchprocess/diff-checkstyle-hadoop-tools_hadoop-distcp.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HADOOP-Build/9227/artifact/patchprocess/whitespace-eol.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/9227/testReport/
|
| modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/9227/console |
| Powered by | Apache Yetus 0.3.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> distcp should have an option to compress data while copying.
> ------------------------------------------------------------
>
>                 Key: HADOOP-8065
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8065
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.20.2
>            Reporter: Suresh Antony
>            Assignee: Suraj Nayak M
>            Priority: Minor
>              Labels: distcp
>             Fix For: 0.20.2
>
>         Attachments: HADOOP-8065-trunk_2015-11-03.patch, HADOOP-8065-trunk_2015-11-04.patch,
HADOOP-8065-trunk_2016-04-29-2.patch, HADOOP-8065-trunk_2016-04-29.patch, patch.distcp.2012-02-10
>
>
> We would like compress the data while transferring from our source system to target system.
One way to do this is to write a map/reduce job to compress that after/before being transferred.
This looks inefficient. 
> Since distcp already reading writing data it would be better if it can accomplish while
doing this. 
> Flip side of this is that distcp -update option can not check file size before copying
data. It can only check for the existence of file. 
> So I propose if -compress option is given then file size is not checked.
> Also when we copy file appropriate extension needs to be added to file depending on compression
type.



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