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https://issues.apache.org/jira/browse/HDFS-14162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16946158#comment-16946158
 ] 

Hadoop QA commented on HDFS-14162:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 21m 
22s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 2 new or modified test 
files. {color} |
|| || || || {color:brown} branch-2 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
51s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 11m 
13s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 12m  
5s{color} | {color:green} branch-2 passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  9m 
55s{color} | {color:green} branch-2 passed with JDK v1.8.0_222 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
40s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
52s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m 
24s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
59s{color} | {color:green} branch-2 passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
13s{color} | {color:green} branch-2 passed with JDK v1.8.0_222 {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
16s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
30s{color} | {color:red} hadoop-hdfs-client in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  1m 
40s{color} | {color:red} root in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  1m 40s{color} 
| {color:red} root in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  1m 
24s{color} | {color:red} root in the patch failed with JDK v1.8.0_222. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  1m 24s{color} 
| {color:red} root in the patch failed with JDK v1.8.0_222. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
1m 31s{color} | {color:orange} root: The patch generated 1 new + 30 unchanged - 
10 fixed = 31 total (was 40) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
30s{color} | {color:red} hadoop-hdfs-client in the patch failed. {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
16s{color} | {color:red} hadoop-hdfs-client in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
29s{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
45s{color} | {color:green} the patch passed with JDK v1.8.0_222 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m 
23s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 29s{color} 
| {color:red} hadoop-hdfs-client in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 70m  6s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
28s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}173m 58s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hdfs.server.namenode.snapshot.TestSnapshotBlocksMap |
|   | hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes |
|   | hadoop.hdfs.qjournal.server.TestJournalNodeRespectsBindHostKeys |
|   | hadoop.hdfs.server.namenode.ha.TestDelegationTokensWithHA |
|   | hadoop.hdfs.TestRollingUpgrade |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.2 Server=19.03.2 Image:yetus/hadoop:da675796017 |
| JIRA Issue | HDFS-14162 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12982247/HDFS-14162-branch-2.004.patch
 |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 50608baf7f3f 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2 / 56e2ad2 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_222 |
| Multi-JDK versions |  /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 
/usr/lib/jvm/java-8-openjdk-amd64:1.8.0_222 |
| findbugs | v3.0.0 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-compile-root-jdk1.7.0_95.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-compile-root-jdk1.7.0_95.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-compile-root-jdk1.8.0_222.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-compile-root-jdk1.8.0_222.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/diff-checkstyle-root.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-findbugs-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/testReport/ |
| Max. process+thread count | 2458 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common 
hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28026/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Balancer should work with ObserverNode
> --------------------------------------
>
>                 Key: HDFS-14162
>                 URL: https://issues.apache.org/jira/browse/HDFS-14162
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Konstantin Shvachko
>            Assignee: Erik Krogen
>            Priority: Major
>             Fix For: 3.3.0, 3.1.4, 3.2.2
>
>         Attachments: HDFS-14162-HDFS-12943.wip0.patch, 
> HDFS-14162-branch-2.004.patch, HDFS-14162.000.patch, HDFS-14162.001.patch, 
> HDFS-14162.002.patch, HDFS-14162.003.patch, HDFS-14162.004.patch, 
> ReflectionBenchmark.java, testBalancerWithObserver-3.patch, 
> testBalancerWithObserver.patch
>
>
> Balancer provides a substantial RPC load on NameNode. It would be good to 
> divert Balancer RPCs {{getBlocks()}}, etc. to ObserverNode. The main problem 
> is that Balancer uses {{NamenodeProtocol}}, while ORPP currently supports 
> only {{ClientProtocol}}.



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