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https://issues.apache.org/jira/browse/YARN-11216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17774052#comment-17774052
 ] 

ASF GitHub Bot commented on YARN-11216:
---------------------------------------

hadoop-yetus commented on PR #4655:
URL: https://github.com/apache/hadoop/pull/4655#issuecomment-1757622191

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 47s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
   | +0 :ok: |  detsecrets  |   0m  0s |  |  detect-secrets was not available.  
|
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 2 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +0 :ok: |  mvndep  |  16m 20s |  |  Maven dependency ordering for branch  |
   | +1 :green_heart: |  mvninstall  |  35m 56s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |  18m 14s |  |  trunk passed with JDK 
Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  compile  |  16m 37s |  |  trunk passed with JDK 
Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05  |
   | +1 :green_heart: |  checkstyle  |   4m 38s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   2m 45s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   2m 13s |  |  trunk passed with JDK 
Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  javadoc  |   1m 46s |  |  trunk passed with JDK 
Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05  |
   | +1 :green_heart: |  spotbugs  |   4m 40s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  41m 32s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   0m 31s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   1m 59s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  18m 37s |  |  the patch passed with JDK 
Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  javac  |  18m 37s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  16m 35s |  |  the patch passed with JDK 
Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05  |
   | +1 :green_heart: |  javac  |  16m 35s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | -0 :warning: |  checkstyle  |   4m 30s | 
[/results-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4655/15/artifact/out/results-checkstyle-root.txt)
 |  root: The patch generated 6 new + 150 unchanged - 0 fixed = 156 total (was 
150)  |
   | +1 :green_heart: |  mvnsite  |   2m 41s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   2m  8s |  |  the patch passed with JDK 
Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  javadoc  |   1m 46s |  |  the patch passed with JDK 
Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05  |
   | -1 :x: |  spotbugs  |   2m 44s | 
[/new-spotbugs-hadoop-common-project_hadoop-common.html](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4655/15/artifact/out/new-spotbugs-hadoop-common-project_hadoop-common.html)
 |  hadoop-common-project/hadoop-common generated 3 new + 0 unchanged - 0 fixed 
= 3 total (was 0)  |
   | +1 :green_heart: |  shadedclient  |  40m 52s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  19m  4s |  |  hadoop-common in the patch 
passed.  |
   | +1 :green_heart: |  unit  | 104m 41s |  |  
hadoop-yarn-server-resourcemanager in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 58s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 370m  0s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | SpotBugs | module:hadoop-common-project/hadoop-common |
   |  |  Inconsistent synchronization of 
org.apache.hadoop.conf.Configuration.propertiesAddListener; locked 66% of time  
Unsynchronized access at Configuration.java:66% of time  Unsynchronized access 
at Configuration.java:[line 4094] |
   |  |  Inconsistent synchronization of 
org.apache.hadoop.conf.Configuration.propertiesRemoveListener; locked 66% of 
time  Unsynchronized access at Configuration.java:66% of time  Unsynchronized 
access at Configuration.java:[line 4101] |
   |  |  org.apache.hadoop.conf.Configuration$PropertiesWithListener doesn't 
override java.util.Hashtable.equals(Object)  At Configuration.java:At 
Configuration.java:[line 1] |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.43 ServerAPI=1.43 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4655/15/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/4655 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | Linux 93c5bd2aa749 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 
13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / c2ef622a7fb39c5c598a62b79e799730ce1c265a |
   | Default Java | Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05 |
   | Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_382-8u382-ga-1~20.04.1-b05 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4655/15/testReport/ |
   | Max. process+thread count | 1253 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 U: . |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4655/15/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> Avoid unnecessary reconstruction of ConfigurationProperties
> -----------------------------------------------------------
>
>                 Key: YARN-11216
>                 URL: https://issues.apache.org/jira/browse/YARN-11216
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacity scheduler
>            Reporter: András Győri
>            Assignee: Bence Kosztolnik
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> ConfigurationProperties is expensive to create, however, due to its immutable 
> nature it is possible to copy it/share it between configuration objects (eg. 
> create a copy constructor). 



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