[jira] [Commented] (YARN-4053) Change the way metric values are stored in HBase Storage

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14974100#comment-14974100 ] 

Hadoop QA commented on YARN-4053:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  16m 45s | Findbugs (version ) appears to be broken on YARN-2928. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 2 new or modified test files. |
| {color:green}+1{color} | javac |   8m 10s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m 35s | There were no new javadoc warning messages. |
| {color:red}-1{color} | release audit |   0m 18s | The applied patch generated 1 release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 14s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  2s | The patch has no lines that end in whitespace. |
| {color:green}+1{color} | install |   1m 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 40s | The patch built with eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   0m 52s | The patch does not introduce any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   2m 55s | Tests passed in hadoop-yarn-server-timelineservice. |
| | |  42m 13s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12768689/YARN-4053-YARN-2928.02.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | YARN-2928 / 3c4e424 |
| Release Audit | https://builds.apache.org/job/PreCommit-YARN-Build/9575/artifact/patchprocess/patchReleaseAuditProblems.txt |
| hadoop-yarn-server-timelineservice test log | https://builds.apache.org/job/PreCommit-YARN-Build/9575/artifact/patchprocess/testrun_hadoop-yarn-server-timelineservice.txt |
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/9575/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf902.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/9575/console |


This message was automatically generated.

> Change the way metric values are stored in HBase Storage
> --------------------------------------------------------
>
>                 Key: YARN-4053
>                 URL: https://issues.apache.org/jira/browse/YARN-4053
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Varun Saxena
>            Assignee: Varun Saxena
>         Attachments: YARN-4053-YARN-2928.01.patch, YARN-4053-YARN-2928.02.patch
>
>
> Currently HBase implementation uses GenericObjectMapper to convert and store values in backend HBase storage. This converts everything into a string representation(ASCII/UTF-8 encoded byte array).
> While this is fine in most cases, it does not quite serve our use case for metrics. 
> So we need to decide how are we going to encode and decode metric values and store them in HBase.
>  



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