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https://issues.apache.org/jira/browse/HDDS-1072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16781289#comment-16781289
 ] 

Hadoop QA commented on HDDS-1072:
---------------------------------

| (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 
26s{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 4 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
15s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m 
41s{color} | {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 19m  
3s{color} | {color:red} root in trunk failed. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  4m 
 4s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  3m 
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
20m 36s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-ozone/integration-test {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
44s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
50s{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} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
41s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 18m 
48s{color} | {color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red} 18m 48s{color} | 
{color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 18m 48s{color} 
| {color:red} root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  3m 
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  3m 
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
1s{color} | {color:green} The patch has no ill-formed XML file. {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:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-ozone/integration-test {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
43s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  1m 21s{color} 
| {color:red} common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
46s{color} | {color:green} common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
34s{color} | {color:green} client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
52s{color} | {color:green} ozone-manager in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 13m 51s{color} 
| {color:red} integration-test in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
45s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}139m 54s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hdds.security.x509.certificate.client.TestDefaultCertificateClient |
|   | hadoop.ozone.ozShell.TestOzoneShell |
|   | hadoop.ozone.scm.node.TestSCMNodeMetrics |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDDS-1072 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12960690/HDDS-1072.006.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  xml  cc  |
| uname | Linux e461bfaecaee 4.4.0-138-generic #164~14.04.1-Ubuntu SMP Fri Oct 
5 08:56:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / eae3db9 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| compile | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/artifact/out/branch-compile-root.txt
 |
| findbugs | v3.1.0-RC1 |
| compile | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/artifact/out/patch-compile-root.txt
 |
| cc | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/artifact/out/patch-compile-root.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/artifact/out/patch-compile-root.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/artifact/out/patch-unit-hadoop-hdds_common.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/artifact/out/patch-unit-hadoop-ozone_integration-test.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/testReport/ |
| Max. process+thread count | 4433 (vs. ulimit of 10000) |
| modules | C: hadoop-hdds/common hadoop-ozone/common hadoop-ozone/client 
hadoop-ozone/ozone-manager hadoop-ozone/integration-test U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2412/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Implement RetryProxy and FailoverProxy for OM client
> ----------------------------------------------------
>
>                 Key: HDDS-1072
>                 URL: https://issues.apache.org/jira/browse/HDDS-1072
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: OM
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>         Attachments: HDDS-1072.001.patch, HDDS-1072.002.patch, 
> HDDS-1072.003.patch, HDDS-1072.004.patch, HDDS-1072.005.patch, 
> HDDS-1072.006.patch
>
>
> RPC Client should implement a retry and failover proxy provider to failover 
> between OM Ratis clients. The failover should occur in two scenarios:
> # When the client is unable to connect to the OM (either because of network 
> issues or because the OM is down). The client retry proxy provider should 
> failover to next OM in the cluster.
> # When OM Ratis Client receives a response from the Ratis server for its 
> request, it also gets the LeaderId of server which processed this request 
> (the current Leader OM nodeId). This information should be propagated back to 
> the client. The Client failover Proxy provider should failover to the leader 
> OM node. This helps avoid an extra hop from Follower OM Ratis Client to 
> Leader OM Ratis server for every request.



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