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https://issues.apache.org/jira/browse/YARN-9618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17303256#comment-17303256
 ] 

Hadoop QA commented on YARN-9618:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime ||  Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  1m 
25s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green}{color} | {color:green} No case conflicting files 
found. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green}{color} | {color:green} The patch does not contain any 
@author tags. {color} |
| {color:green}+1{color} | {color:green} {color} | {color:green}  0m  0s{color} 
| {color:green}test4tests{color} | {color:green} The patch appears to include 2 
new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} || ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
21s{color} | {color:blue}{color} | {color:blue} Maven dependency ordering for 
branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 23m 
24s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m 
19s{color} | {color:green}{color} | {color:green} trunk passed with JDK 
Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m  
6s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
43s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m  
5s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
19m 30s{color} | {color:green}{color} | {color:green} branch has no errors when 
building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
31s{color} | {color:green}{color} | {color:green} trunk passed with JDK 
Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
46s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 26m 
46s{color} | {color:blue}{color} | {color:blue} Both FindBugs and SpotBugs are 
enabled, using SpotBugs. {color} |
| {color:green}+1{color} | {color:green} spotbugs {color} | {color:green}  4m  
1s{color} | {color:green}{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
23s{color} | {color:blue}{color} | {color:blue} Maven dependency ordering for 
patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
34s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m  
0s{color} | {color:green}{color} | {color:green} the patch passed with JDK 
Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 13m  
0s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  9m 
47s{color} | {color:green}{color} | {color:green} the patch passed with JDK 
Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  9m 
47s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
48s{color} | {color:green}{color} | {color:green} 
hadoop-yarn-project/hadoop-yarn: The patch generated 0 new + 65 unchanged - 1 
fixed = 65 total (was 66) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
59s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 1s{color} | {color:green}{color} | {color:green} The patch has no whitespace 
issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
15m 49s{color} | {color:green}{color} | {color:green} patch has no errors when 
building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
27s{color} | {color:green}{color} | {color:green} the patch passed with JDK 
Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
44s{color} | {color:green}{color} | {color:green} the patch passed with JDK 
Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} |
| {color:green}+1{color} | {color:green} spotbugs {color} | {color:green}  4m 
31s{color} | {color:green}{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  4m 
53s{color} | {color:green}{color} | {color:green} hadoop-yarn-common in the 
patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}101m 43s{color} 
| 
{color:red}https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/808/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt{color}
 | {color:red} hadoop-yarn-server-resourcemanager in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
43s{color} | {color:green}{color} | {color:green} The patch does not generate 
ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}235m  4s{color} | 
{color:black}{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 | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/808/artifact/out/Dockerfile
 |
| JIRA Issue | YARN-9618 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/13022447/YARN-9618.005.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient findbugs checkstyle spotbugs |
| uname | Linux a234060e2f5d 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28 
05:20:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 9ba60c33d8e |
| Default Java | Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 |
| Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 |
|  Test Results | 
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/808/testReport/ |
| Max. process+thread count | 833 (vs. ulimit of 5500) |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 U: hadoop-yarn-project/hadoop-yarn |
| Console output | 
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/808/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |


This message was automatically generated.



> NodeListManager event improvement
> ---------------------------------
>
>                 Key: YARN-9618
>                 URL: https://issues.apache.org/jira/browse/YARN-9618
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bibin Chundatt
>            Assignee: Qi Zhu
>            Priority: Critical
>         Attachments: YARN-9618.001.patch, YARN-9618.002.patch, 
> YARN-9618.003.patch, YARN-9618.004.patch, YARN-9618.005.patch
>
>
> Current implementation nodelistmanager event blocks async dispacher and can 
> cause RM crash and slowing down event processing.
> # Cluster restart with 1K running apps . Each usable event will create 1K 
> events over all events could be 5k*1k events for 5K cluster
> # Event processing is blocked till new events are added to queue.
> Solution :
> # Add another async Event handler similar to scheduler.
> # Instead of adding events to dispatcher directly call RMApp event handler.



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