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https://issues.apache.org/jira/browse/HDFS-13522?focusedWorklogId=753917&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-753917
 ]

ASF GitHub Bot logged work on HDFS-13522:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Apr/22 09:04
            Start Date: 07/Apr/22 09:04
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on PR #4127:
URL: https://github.com/apache/hadoop/pull/4127#issuecomment-1091378733

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |  17m 26s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  codespell  |   0m  1s |  |  codespell 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 11 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +0 :ok: |  mvndep  |  15m 52s |  |  Maven dependency ordering for branch  |
   | +1 :green_heart: |  mvninstall  |  28m 20s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |  24m 38s |  |  trunk passed with JDK 
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  compile  |  21m  9s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  checkstyle  |   3m 58s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   5m 25s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   4m  6s |  |  trunk passed with JDK 
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   5m 39s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |  12m  0s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  25m 41s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   0m 43s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   3m 44s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  24m 12s |  |  the patch passed with JDK 
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javac  |  24m 12s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  21m  4s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  javac  |  21m  4s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | -0 :warning: |  checkstyle  |   3m 46s | 
[/results-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4127/4/artifact/out/results-checkstyle-root.txt)
 |  root: The patch generated 3 new + 340 unchanged - 1 fixed = 343 total (was 
341)  |
   | +1 :green_heart: |  mvnsite  |   5m  5s |  |  the patch passed  |
   | +1 :green_heart: |  xml  |   0m  3s |  |  The patch has no ill-formed XML 
file.  |
   | +1 :green_heart: |  javadoc  |   3m 52s |  |  the patch passed with JDK 
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   5m 13s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |  11m  1s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  24m 42s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  17m 52s |  |  hadoop-common in the patch 
passed.  |
   | +1 :green_heart: |  unit  |   2m 29s |  |  hadoop-hdfs-client in the patch 
passed.  |
   | +1 :green_heart: |  unit  | 333m 41s |  |  hadoop-hdfs in the patch 
passed.  |
   | -1 :x: |  unit  |  33m 12s | 
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4127/4/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt)
 |  hadoop-hdfs-rbf in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   1m  4s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 658m 27s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | 
hadoop.fs.contract.router.web.TestRouterWebHDFSContractCreate |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4127/4/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/4127 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell xml |
   | uname | Linux 98f3c3d3baae 4.15.0-163-generic #171-Ubuntu SMP Fri Nov 5 
11:55:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / cbf3a15ee10287465547c7cc023c65b28fd1282f |
   | Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   | Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4127/4/testReport/ |
   | Max. process+thread count | 3052 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common 
hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs 
hadoop-hdfs-project/hadoop-hdfs-rbf U: . |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4127/4/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




Issue Time Tracking
-------------------

    Worklog Id:     (was: 753917)
    Time Spent: 4h 50m  (was: 4h 40m)

> RBF: Support observer node from Router-Based Federation
> -------------------------------------------------------
>
>                 Key: HDFS-13522
>                 URL: https://issues.apache.org/jira/browse/HDFS-13522
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: federation, namenode
>            Reporter: Erik Krogen
>            Assignee: Simbarashe Dzinamarira
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HDFS-13522.001.patch, HDFS-13522.002.patch, 
> HDFS-13522_WIP.patch, RBF_ Observer support.pdf, Router+Observer RPC 
> clogging.png, ShortTerm-Routers+Observer.png
>
>          Time Spent: 4h 50m
>  Remaining Estimate: 0h
>
> Changes will need to occur to the router to support the new observer node.
> One such change will be to make the router understand the observer state, 
> e.g. {{FederationNamenodeServiceState}}.



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