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https://issues.apache.org/jira/browse/MAPREDUCE-6719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15340341#comment-15340341
 ] 

Hadoop QA commented on MAPREDUCE-6719:
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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 25s 
{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 4 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 22s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
22s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 34s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
28s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 17s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
38s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
51s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 56s 
{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 7s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
9s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 39s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 1m 39s {color} 
| {color:red} hadoop-mapreduce-project_hadoop-mapreduce-client generated 23 new 
+ 341 unchanged - 0 fixed = 364 total (was 341) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
26s {color} | {color:green} hadoop-mapreduce-project/hadoop-mapreduce-client: 
The patch generated 0 new + 193 unchanged - 16 fixed = 193 total (was 209) 
{color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 29s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
38s {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} xml {color} | {color:green} 0m 1s 
{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
51s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 21s 
{color} | {color:green} 
hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core 
generated 0 new + 2508 unchanged - 1 fixed = 2508 total (was 2509) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 19s 
{color} | {color:green} hadoop-mapreduce-client-common in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 10s 
{color} | {color:green} hadoop-mapreduce-client-jobclient in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 7s 
{color} | {color:green} hadoop-mapreduce-client-core in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 43s 
{color} | {color:green} hadoop-mapreduce-client-common in the patch passed. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 127m 4s {color} 
| {color:red} hadoop-mapreduce-client-jobclient in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
28s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 154m 38s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Timed out junit tests | 
org.apache.hadoop.mapreduce.lib.jobcontrol.TestMapReduceJobControl |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:e2f6409 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12811869/MAPREDUCE-6719.002.patch
 |
| JIRA Issue | MAPREDUCE-6719 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  xml  |
| uname | Linux 0e7b91228f4c 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 / 5107a96 |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
| javac | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6565/artifact/patchprocess/diff-compile-javac-hadoop-mapreduce-project_hadoop-mapreduce-client.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6565/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6565/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6565/testReport/ |
| modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient
 U: hadoop-mapreduce-project/hadoop-mapreduce-client |
| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6565/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> -libjars should use wildcards to reduce the application footprint in the 
> state store
> ------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6719
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6719
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: distributed-cache
>    Affects Versions: 2.8.0
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>            Priority: Critical
>         Attachments: MAPREDUCE-6719.001.patch, MAPREDUCE-6719.002.patch
>
>
> When using the -libjars option to add classes to the classpath, every library 
> so added is explicitly listed in the ContainerLaunchContext's local resources 
> even though they're all uploaded to the same directory in HDFS. When using 
> tools like Crunch without an uber JAR or when trying to take advantage of the 
> shared cache, the number of libraries can be quite large. We've seen many 
> cases where we had to turn down the max number of applications to prevent ZK 
> from running out of heap because of the size of the state store entries.
> This JIRA proposes to allow for wildcards both in the internal processing of 
> the -libjars switch and in paths added through the Job and DistributedCache 
> classes. Rather than listing all files independently, this JIRA proposes to 
> replace the complete list of libdir files with the wildcarded libdir 
> directory, e.g. "libdir/*". This behavior is the same as the current behavior 
> when using -libjars, but avoids explicitly listing every file.
> This capability will also be exposed by the 
> {{DistributedCache.addCacheFile()}} method.
> See YARN-4958 for the NM side of the implementation and additional discussion.



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