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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6460) Accelerated time in SLS
Date Wed, 12 Apr 2017 14:55:42 GMT

    [ https://issues.apache.org/jira/browse/YARN-6460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15965994#comment-15965994
] 

Hadoop QA commented on YARN-6460:
---------------------------------

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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: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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 42s{color}
| {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 17s{color} |
{color:green} branch-2 passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 20s{color} |
{color:green} branch-2 passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 18s{color}
| {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 26s{color} |
{color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 17s{color}
| {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 35s{color} |
{color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 15s{color} |
{color:green} branch-2 passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 17s{color} |
{color:green} branch-2 passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 17s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 14s{color} |
{color:green} the patch passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 14s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 17s{color} |
{color:green} the patch passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 17s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 15s{color}
| {color:orange} hadoop-tools/hadoop-sls: The patch generated 18 new + 135 unchanged - 0 fixed
= 153 total (was 135) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 22s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 15s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m  8s{color}
| {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} shelldocs {color} | {color:green}  0m  8s{color}
| {color:green} There were no new shelldocs issues. {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} findbugs {color} | {color:green}  0m 43s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 11s{color} |
{color:green} hadoop-tools_hadoop-sls-jdk1.8.0_121 with JDK v1.8.0_121 generated 0 new + 14
unchanged - 9 fixed = 14 total (was 23) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 14s{color} |
{color:green} the patch passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 56s{color} | {color:green}
hadoop-sls in the patch passed with JDK v1.7.0_121. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 19s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 17m  1s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:b59b8b7 |
| JIRA Issue | YARN-6460 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12863048/YARN-6460-branch-2.002.patch
|
| Optional Tests |  asflicense  mvnsite  unit  shellcheck  shelldocs  compile  javac  javadoc
 mvninstall  findbugs  checkstyle  |
| uname | Linux 7c9a38aabecc 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6 15:44:32 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2 / d5e2bd4 |
| Default Java | 1.7.0_121 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_121 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_121
|
| shellcheck | v0.4.5 |
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/15596/artifact/patchprocess/diff-checkstyle-hadoop-tools_hadoop-sls.txt
|
| JDK v1.7.0_121  Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/15596/testReport/
|
| modules | C: hadoop-tools/hadoop-sls U: hadoop-tools/hadoop-sls |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/15596/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Accelerated time in SLS
> -----------------------
>
>                 Key: YARN-6460
>                 URL: https://issues.apache.org/jira/browse/YARN-6460
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: scheduler-load-simulator
>            Reporter: Julien Vaudour
>            Assignee: Julien Vaudour
>            Priority: Minor
>         Attachments: YARN-6460.000.patch, YARN-6460.001.patch, YARN-6460.002.patch, YARN-6460-branch-2.000.patch,
YARN-6460-branch-2.001.patch, YARN-6460-branch-2.002.patch
>
>
> Be able to accelerate time in SLS.To do that, a {{timescalefactor}} parameter is introduced
(default value = 1)
> With if we use a time factor of X, time in simulation will be X times faster than real.
Time in generated CSV will be modified a well to have the same result as if we don't use {{timescalefactor}}.
> For example, it permits to run a simulation of one week of jobs in just one day if we
use {{timescalefactor=7}}
> To do that a ScaleClock object has been introduced, which implements {{org.apache.hadoop.yarn.util.Clock}}.
It also extends {{com.codahale.metrics.Clock}} for metrics reported in csv.
> All objects used for the simulation now use a shared reference to a {{org.apache.hadoop.yarn.util.Clock}}
instance to get current time instead of using {{System.currentTimeMillis()}}
> A new optionnal parameter {{--timescalefactor=<factor>}} has been introduced on
{{slsrun.sh}} script.



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