[ 
https://issues.apache.org/jira/browse/YARN-4360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15056728#comment-15056728
 ] 

Hadoop QA commented on YARN-4360:
---------------------------------

| (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 0s 
{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 2 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 11m 
0s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 49s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 44s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
17s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 51s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
22s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
39s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 37s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 39s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 47s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 47s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 43s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 43s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 17s 
{color} | {color:red} Patch generated 14 new checkstyle issues in 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 (total was 0, now 14). {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 51s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
22s {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 27 line(s) that end in whitespace. Use git 
apply --whitespace=fix. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 52s 
{color} | {color:red} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 introduced 1 new FindBugs issues. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 67m 23s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 66m 53s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
36s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 160m 54s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| FindBugs | 
module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 |
|  |  Should 
org.apache.hadoop.yarn.server.resourcemanager.reservation.planning.IterativePlanner$StageProvider
 be a _static_ inner class?  At IterativePlanner.java:inner class?  At 
IterativePlanner.java:[lines 385-423] |
| JDK v1.8.0_66 Failed junit tests | 
hadoop.yarn.server.resourcemanager.TestClientRMTokens |
|   | hadoop.yarn.server.resourcemanager.TestAMAuthorization |
| JDK v1.7.0_91 Failed junit tests | 
hadoop.yarn.server.resourcemanager.TestClientRMTokens |
|   | hadoop.yarn.server.resourcemanager.TestAMAuthorization |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12777521/YARN-4360.3.patch |
| JIRA Issue | YARN-4360 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 63807bace6a3 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 / 7fb212e |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/artifact/patchprocess/whitespace-eol.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/artifact/patchprocess/new-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_66.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.7.0_91.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-YARN-Build/9970/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_66.txt
 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.7.0_91.txt
 |
| JDK v1.7.0_91  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/testReport/ |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 |
| Max memory used | 75MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/9970/console |


This message was automatically generated.



> Improve GreedyReservationAgent to support "early" allocations, and 
> performance improvements 
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-4360
>                 URL: https://issues.apache.org/jira/browse/YARN-4360
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler, fairscheduler, resourcemanager
>    Affects Versions: 2.8.0
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>         Attachments: YARN-4360.2.patch, YARN-4360.3.patch, YARN-4360.patch
>
>
> The GreedyReservationAgent allocates "as late as possible". Per various 
> conversations, it seems useful to have a mirror behavior that allocates as 
> early as possible. Also in the process we leverage improvements from 
> YARN-4358, and implement an RLE-aware StageAllocatorGreedy(RLE), which 
> significantly speeds up allocation.



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