[ 
https://issues.apache.org/jira/browse/HDFS-13478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16443572#comment-16443572
 ] 

genericqa commented on HDFS-13478:
----------------------------------

| (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 
36s{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 3 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 25m 
29s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
27s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
30s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
10m 52s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
48s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
29s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
29s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 15s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs-rbf: The patch 
generated 2 new + 0 unchanged - 0 fixed = 2 total (was 0) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
28s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 1 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
11m 26s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
58s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs-rbf generated 3 new + 
0 unchanged - 0 fixed = 3 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
32s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 14m  6s{color} 
| {color:red} hadoop-hdfs-rbf in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
24s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 69m 24s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs-rbf |
|  |  Unchecked/unconfirmed cast from 
org.apache.hadoop.hdfs.server.federation.store.protocol.GetDisabledNamespacesRequest
 to 
org.apache.hadoop.hdfs.server.federation.store.protocol.impl.pb.GetDisabledNamespacesRequestPBImpl
 in 
org.apache.hadoop.hdfs.protocolPB.RouterAdminProtocolTranslatorPB.getDisabledNamespaces(GetDisabledNamespacesRequest)
  At 
RouterAdminProtocolTranslatorPB.java:org.apache.hadoop.hdfs.server.federation.store.protocol.impl.pb.GetDisabledNamespacesRequestPBImpl
 in 
org.apache.hadoop.hdfs.protocolPB.RouterAdminProtocolTranslatorPB.getDisabledNamespaces(GetDisabledNamespacesRequest)
  At RouterAdminProtocolTranslatorPB.java:[line 261] |
|  |  Useless object stored in variable ret of method 
org.apache.hadoop.hdfs.server.federation.resolver.MembershipNamenodeResolver.getNamespaces()
  At MembershipNamenodeResolver.java:ret of method 
org.apache.hadoop.hdfs.server.federation.resolver.MembershipNamenodeResolver.getNamespaces()
  At MembershipNamenodeResolver.java:[line 285] |
|  |  Useless condition:argv.length >= 1 at this point  At 
RouterAdmin.java:[line 169] |
| Failed junit tests | 
hadoop.fs.contract.router.web.TestRouterWebHDFSContractAppend |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8620d2b |
| JIRA Issue | HDFS-13478 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12919751/HDFS-13478.001.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  cc  |
| uname | Linux 06508799bdf9 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27 
10:45:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / e4c39f3 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_162 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23994/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs-rbf.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23994/artifact/out/whitespace-eol.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23994/artifact/out/new-findbugs-hadoop-hdfs-project_hadoop-hdfs-rbf.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23994/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23994/testReport/ |
| asflicense | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23994/artifact/out/patch-asflicense-problems.txt
 |
| Max. process+thread count | 956 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-rbf U: 
hadoop-hdfs-project/hadoop-hdfs-rbf |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23994/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> RBF: Decommission subclusters from the federation
> -------------------------------------------------
>
>                 Key: HDFS-13478
>                 URL: https://issues.apache.org/jira/browse/HDFS-13478
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>            Priority: Major
>         Attachments: HDFS-13478.000.patch, HDFS-13478.001.patch
>
>
> We have a subcluster in our federation that is for testing and is 
> missbehaving. This has a negative impact on the performance with operations 
> that go to every subcluster (e.g., renewLease() or setSafeMode()).



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