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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 Wed, 16 Nov 2016 02:29:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15669131#comment-15669131
] 

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 15s{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 19s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 39s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m 51s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 40s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  4s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 41s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 27s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 52s{color} |
{color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 18s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 45s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  9m 56s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  9m 56s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  1m 38s{color}
| {color:orange} root: The patch generated 5 new + 124 unchanged - 9 fixed = 129 total (was
133) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  8s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 46s{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}  1m 48s{color} |
{color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 23s{color} | {color:red}
hadoop-tools_hadoop-distcp generated 1 new + 49 unchanged - 0 fixed = 50 total (was 49) {color}
|
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 57s{color} | {color:green}
hadoop-mapreduce-client-core in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 11m 11s{color} | {color:green}
hadoop-distcp in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 37s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 80m 41s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HADOOP-8065 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12839088/HADOOP-8065.006.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 4647a6501c31 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 / 61c0bed |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/11074/artifact/patchprocess/diff-checkstyle-root.txt
|
| javadoc | https://builds.apache.org/job/PreCommit-HADOOP-Build/11074/artifact/patchprocess/diff-javadoc-javadoc-hadoop-tools_hadoop-distcp.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/11074/testReport/ |
| modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-tools/hadoop-distcp U: . |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/11074/console |
| Powered by | Apache Yetus 0.4.0-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
>            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_2016-04-29-4.patch, HADOOP-8065.005.patch, HADOOP-8065.006.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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