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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-9287) Consecutive String Builder Append Should Reuse
Date Sun, 24 Feb 2019 20:17:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-9287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16776386#comment-16776386
] 

Hadoop QA commented on YARN-9287:
---------------------------------

| (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 18s{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:red}-1{color} | {color:red} pathlen {color} | {color:red}  0m  0s{color} | {color:red}
The patch appears to contain 1 files with names longer than 240 {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 34s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m  3s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  8m 37s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 36s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  8m 25s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 20m 41s{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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests
{color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 11m 31s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  6m  3s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 12s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 41s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  8m  9s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  8m  9s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 29s{color}
| {color:green} hadoop-yarn-project/hadoop-yarn: The patch generated 0 new + 931 unchanged
- 15 fixed = 931 total (was 946) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  7m 55s{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} shadedclient {color} | {color:green} 11m 18s{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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests
{color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 13m 27s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  5m 43s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 43s{color} | {color:green}
hadoop-yarn-api in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 43s{color} | {color:green}
hadoop-yarn-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 46s{color} | {color:green}
hadoop-yarn-server-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 21m  1s{color} | {color:green}
hadoop-yarn-server-nodemanager in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 28s{color} | {color:green}
hadoop-yarn-server-applicationhistoryservice in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 92m 15s{color} | {color:red}
hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 22s{color} | {color:green}
hadoop-yarn-server-tests in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 26m 32s{color} | {color:green}
hadoop-yarn-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 40s{color} | {color:green}
hadoop-yarn-server-timelineservice-hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 37s{color} | {color:green}
hadoop-yarn-server-timelineservice-hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 53s{color} | {color:green}
hadoop-yarn-server-router in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 20m 38s{color} | {color:red}
hadoop-yarn-applications-distributedshell in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 18m 13s{color} | {color:red}
hadoop-yarn-services-core in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m  1s{color} | {color:green}
hadoop-yarn-services-api in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 41s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}321m 38s{color} | {color:black}
{color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.yarn.applications.distributedshell.TestDistributedShell |
|   | hadoop.yarn.service.TestYarnNativeServices |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | YARN-9287 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12959946/YARN-9287-06.patch
|
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit
 shadedclient  findbugs  checkstyle  |
| uname | Linux fb2e149b220f 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 9cd5c54 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| pathlen | https://builds.apache.org/job/PreCommit-YARN-Build/23522/artifact/out/pathlen.txt
|
| findbugs | v3.1.0-RC1 |
| unit | https://builds.apache.org/job/PreCommit-YARN-Build/23522/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| unit | https://builds.apache.org/job/PreCommit-YARN-Build/23522/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-applications-distributedshell.txt
|
| unit | https://builds.apache.org/job/PreCommit-YARN-Build/23522/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-services_hadoop-yarn-services-core.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/23522/testReport/ |
| Max. process+thread count | 966 (vs. ulimit of 10000) |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/hadoop-yarn-server-timelineservice-hbase-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/hadoop-yarn-server-timelineservice-hbase-client
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-api
U: hadoop-yarn-project/hadoop-yarn |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/23522/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Consecutive String Builder Append Should Reuse
> ----------------------------------------------
>
>                 Key: YARN-9287
>                 URL: https://issues.apache.org/jira/browse/YARN-9287
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Ayush Saxena
>            Assignee: Ayush Saxena
>            Priority: Major
>         Attachments: YARN-9287-01.patch, YARN-9287-02.patch, YARN-9287-03.patch, YARN-9287-04.patch,
YARN-9287-05.patch, YARN-9287-05.patch, YARN-9287-06.patch
>
>
>  Consecutive calls to StringBuffer/StringBuilder .append should be chained, reusing
the target object. This can improve the performance by producing a smaller bytecode, reducing
overhead and improving inlining.



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