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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6426) Compress ZK YARN keys to scale up (especially AppStateData
Date Sat, 01 Apr 2017 01:02:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-6426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15951889#comment-15951889
] 

Hadoop QA commented on YARN-6426:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  3m  7s{color} | {color:blue}
Docker mode activated. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 18m 52s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 53s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 34s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 54s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 21s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 26s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 35s{color} |
{color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 28s{color} | {color:red}
hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 28s{color} | {color:red}
hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 32s{color}
| {color:orange} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:
The patch generated 13 new + 19 unchanged - 0 fixed = 32 total (was 19) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 24s{color} | {color:red}
hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 15s{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 10 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>.
Refer https://git-scm.com/docs/git-apply {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  0s{color} | {color:red}
The patch 1 line(s) with tabs. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 23s{color} | {color:red}
hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 30s{color} | {color:red}
hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager generated
7 new + 880 unchanged - 0 fixed = 887 total (was 880) {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 23s{color} | {color:red}
hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 23s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 32m 13s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | YARN-6426 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12861550/zkcompression.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux a7879f54396a 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28 20:42:26 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 73835c7 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| mvninstall | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/patch-mvninstall-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| compile | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| javac | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| mvnsite | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/patch-mvnsite-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/whitespace-eol.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/whitespace-tabs.txt
|
| findbugs | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/patch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| javadoc | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/diff-javadoc-javadoc-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| unit | https://builds.apache.org/job/PreCommit-YARN-Build/15466/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/15466/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/15466/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Compress ZK YARN keys to scale up (especially AppStateData
> ----------------------------------------------------------
>
>                 Key: YARN-6426
>                 URL: https://issues.apache.org/jira/browse/YARN-6426
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: yarn
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Roni Burd
>            Assignee: Roni Burd
>              Labels: patch
>             Fix For: 3.0.0-alpha2
>
>         Attachments: zkcompression.patch
>
>
> ZK today stores the protobuf files uncompressed. This is not an issue except that if
a customer job has thousands of files, AppStateData will store the user context as a string
with multiple URLs and it is easy to get to 1MB or more. 
> This can put unnecessary strain on ZK and make the process slow. 
> The proposal is to simply compress protobufs before sending them to ZK



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