[jira] [Commented] (MAPREDUCE-6726) YARN Registry based AM discovery with retry and in-flight task persistent via JHS

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

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15508444#comment-15508444 ] 

Hadoop QA commented on MAPREDUCE-6726:
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| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s {color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} docker {color} | {color:red} 2m 41s {color} | {color:red} Docker failed to build yetus/hadoop:2c91fd8. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12829485/MAPREDUCE-6726-MAPREDUCE-6608.001.patch |
| JIRA Issue | MAPREDUCE-6726 |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6729/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


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> YARN Registry based AM discovery with retry and in-flight task persistent via JHS
> ---------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6726
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6726
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: applicationmaster
>            Reporter: Junping Du
>            Assignee: Srikanth Sampath
>         Attachments: MAPREDUCE-6726-MAPREDUCE-6608.001.patch, MAPREDUCE-6726-MAPREDUCE-6608.001.patch, WorkPreservingMRAppMaster.pdf
>
>
> Several tasks will be achieved in this JIRA based on the demo patch in MAPREDUCE-6608:
> 1. AM discovery base on YARN register service. Could be replaced by YARN-4758 later due to scale up issue.
> 2. Retry logic for TaskUmbilicalProtocol RPC connection
> 3. In-flight task recover after AM restart via JHS
> 4. Configuration to control the behavior compatible with previous when not enable this feature (by default).
> All security related issues and other concerns discussed in MAPREDUCE-6608 will be addressed in follow up JIRAs.



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