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https://issues.apache.org/jira/browse/YARN-8774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16624382#comment-16624382
 ] 

Hadoop QA commented on YARN-8774:
---------------------------------

| (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 
19s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Findbugs executables are 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:brown} branch-2 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m 
47s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
41s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
26s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
48s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
30s{color} | {color:green} branch-2 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
46s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
48s{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} javadoc {color} | {color:green}  0m 
27s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 60m  6s{color} 
| {color:red} hadoop-yarn-server-resourcemanager 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} 82m  1s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.yarn.server.resourcemanager.reservation.TestCapacityOverTimePolicy |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:a716388 |
| JIRA Issue | YARN-8774 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12940863/YARN-8774.branch-2.001.patch
 |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  |
| uname | Linux b18e00b39e19 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 
14:43:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2 / 6056597 |
| maven | version: Apache Maven 3.3.9 
(bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T16:41:47+00:00) |
| Default Java | 1.7.0_181 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/21939/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/21939/testReport/ |
| Max. process+thread count | 810 (vs. ulimit of 10000) |
| 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
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/21939/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Memory leak when CapacityScheduler allocates from reserved container with 
> non-default label
> -------------------------------------------------------------------------------------------
>
>                 Key: YARN-8774
>                 URL: https://issues.apache.org/jira/browse/YARN-8774
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 3.2.0, 2.8.5
>            Reporter: Tao Yang
>            Assignee: Tao Yang
>            Priority: Critical
>         Attachments: YARN-8774.001.patch, YARN-8774.002.patch, 
> YARN-8774.branch-2.001.patch, YARN-8774.branch-2.8.001.patch
>
>
> The cause is that the RMContainerImpl instance of reserved container lost its 
> node label expression, when scheduler reserves containers for non-default 
> node-label requests, it will be wrongly added into 
> LeafQueue#ignorePartitionExclusivityRMContainers and never be removed.
> To reproduce this memory leak:
> (1) create reserved container
> RegularContainerAllocator#doAllocation:  create RMContainerImpl instanceA 
> (nodeLabelExpression="")
> LeafQueue#allocateResource:  RMContainerImpl instanceA is put into  
> LeafQueue#ignorePartitionExclusivityRMContainers
> (2) allocate from reserved container
> RegularContainerAllocator#doAllocation: create RMContainerImpl instanceB 
> (nodeLabelExpression="test-label")
> (3) From now on, RMContainerImpl instanceA will be left in memory (be kept in 
> LeafQueue#ignorePartitionExclusivityRMContainers) forever until RM restarted



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