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https://issues.apache.org/jira/browse/HDDS-1175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16781524#comment-16781524
 ] 

Hadoop QA commented on HDDS-1175:
---------------------------------

| (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 
21s{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 1 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
14s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 25m 
 6s{color} | {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  1m 
41s{color} | {color:red} hadoop-ozone in trunk failed. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
33s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
13m 23s{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}  1m 
33s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
11s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
11s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
25s{color} | {color:red} common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
18s{color} | {color:red} ozone-manager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
26s{color} | {color:red} hadoop-ozone in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 26s{color} 
| {color:red} hadoop-ozone in the patch failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 21s{color} | {color:orange} hadoop-ozone: The patch generated 2 new + 0 
unchanged - 0 fixed = 2 total (was 0) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
26s{color} | {color:red} common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
19s{color} | {color:red} ozone-manager 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:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
12m 53s{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:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
21s{color} | {color:red} common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
19s{color} | {color:red} ozone-manager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
18s{color} | {color:red} hadoop-ozone_ozone-manager generated 3 new + 0 
unchanged - 0 fixed = 3 total (was 0) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 27s{color} 
| {color:red} common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 21s{color} 
| {color:red} ozone-manager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  9m 56s{color} 
| {color:red} integration-test 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} 73m 54s{color} | 
{color:black} {color} |
\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.ozone.scm.pipeline.TestPipelineManagerMXBean |
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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-1175 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12960742/HDDS-1175.001.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux ab368d47bd03 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 / 8e12259 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| compile | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/branch-compile-hadoop-ozone.txt
 |
| findbugs | v3.1.0-RC1 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-mvninstall-hadoop-ozone_common.txt
 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-mvninstall-hadoop-ozone_ozone-manager.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-compile-hadoop-ozone.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-compile-hadoop-ozone.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/diff-checkstyle-hadoop-ozone.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-mvnsite-hadoop-ozone_common.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-mvnsite-hadoop-ozone_ozone-manager.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-findbugs-hadoop-ozone_common.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-findbugs-hadoop-ozone_ozone-manager.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/diff-javadoc-javadoc-hadoop-ozone_ozone-manager.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-unit-hadoop-ozone_common.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-unit-hadoop-ozone_ozone-manager.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/artifact/out/patch-unit-hadoop-ozone_integration-test.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/testReport/ |
| Max. process+thread count | 3560 (vs. ulimit of 10000) |
| modules | C: hadoop-ozone/common hadoop-ozone/ozone-manager 
hadoop-ozone/integration-test U: hadoop-ozone |
| Console output | 
https://builds.apache.org/job/PreCommit-HDDS-Build/2416/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Serve read requests directly from RocksDB
> -----------------------------------------
>
>                 Key: HDDS-1175
>                 URL: https://issues.apache.org/jira/browse/HDDS-1175
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>         Attachments: HDDS-1175.001.patch
>
>
> We can directly server read requests from the OM's RocksDB instead of going 
> through the Ratis server. OM should first check its role and only if it is 
> the leader can it server read requests. 
> There can be a scenario where an OM can lose its Leader status but not know 
> about the new election in the ring. This OM could server stale reads for the 
> duration of the heartbeat timeout but this should be acceptable (similar to 
> how Standby Namenode could possibly server stale reads till it figures out 
> the new status).



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