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https://issues.apache.org/jira/browse/YARN-5165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308714#comment-15308714
 ] 

Hadoop QA commented on YARN-5165:
---------------------------------

| (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:blue}0{color} | {color:blue} shelldocs {color} | {color:blue} 0m 4s 
{color} | {color:blue} Shelldocs was not available. {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 13s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
6s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 21s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 6m 
39s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 8m 16s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 1m 
0s {color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 0s 
{color} | {color:blue} Skipped patched modules with no Java source: . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
56s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 56s 
{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 14s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 
10s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 13s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 13s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 6m 0s 
{color} | {color:red} root: The patch generated 4 new + 19766 unchanged - 0 
fixed = 19770 total (was 19766) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 9m 20s 
{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} shellcheck {color} | {color:green} 0m 
12s {color} | {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} The patch has no whitespace issues. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 0s 
{color} | {color:blue} Skipped patched modules with no Java source: . {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 10s 
{color} | {color:red} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 5m 17s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 101m 29s 
{color} | {color:red} root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
25s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 174m 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
 |
|  |  Dead store to p in 
org.apache.hadoop.yarn.server.resourcemanager.reservation.NoOverCommitPolicy.validate(Plan,
 ReservationAllocation)  At 
NoOverCommitPolicy.java:org.apache.hadoop.yarn.server.resourcemanager.reservation.NoOverCommitPolicy.validate(Plan,
 ReservationAllocation)  At NoOverCommitPolicy.java:[line 62] |
| Failed junit tests | hadoop.hdfs.server.namenode.TestEditLog |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:2c91fd8 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12807228/YARN-5165.3.patch |
| JIRA Issue | YARN-5165 |
| Optional Tests |  asflicense  shellcheck  shelldocs  compile  javac  javadoc  
mvninstall  mvnsite  unit  findbugs  checkstyle  |
| uname | Linux c34c80448ee6 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 / bca31fe |
| Default Java | 1.8.0_91 |
| shellcheck | v0.4.4 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/11772/artifact/patchprocess/diff-checkstyle-root.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-YARN-Build/11772/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/11772/artifact/patchprocess/patch-unit-root.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-YARN-Build/11772/artifact/patchprocess/patch-unit-root.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/11772/testReport/ |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 . U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/11772/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> NoOvercommitPolicy does not take advantage of RLE representation of plan
> ------------------------------------------------------------------------
>
>                 Key: YARN-5165
>                 URL: https://issues.apache.org/jira/browse/YARN-5165
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler, fairscheduler, resourcemanager
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>         Attachments: YARN-5165.1.patch, YARN-5165.2.patch, YARN-5165.3.patch
>
>
> As a consequence small time granularities (e.g., 1 sec) and long time horizon 
> for a reservation (e.g., months) run rather slow (10 sec). 
> Proposed resolution is to switch to interval math in checking, similar to how 
> YARN-4359 does for agents.



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