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https://issues.apache.org/jira/browse/HADOOP-15679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16646405#comment-16646405
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Hadoop QA commented on HADOOP-15679:
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|| Vote || Subsystem || Runtime || Comment ||
| {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} 11m 
51s{color} | {color:red} Docker failed to build yetus/hadoop:ae3769f. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-15679 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12943422/HADOOP-15679-branch-2.8-005.patch
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| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15352/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


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> ShutdownHookManager shutdown time needs to be configurable & extended
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-15679
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15679
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 2.8.0, 3.0.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>         Attachments: HADOOP-15679-001.patch, HADOOP-15679-002.patch, 
> HADOOP-15679-002.patch, HADOOP-15679-003.patch, 
> HADOOP-15679-branch-2-001.patch, HADOOP-15679-branch-2-001.patch, 
> HADOOP-15679-branch-2-003.patch, HADOOP-15679-branch-2-003.patch, 
> HADOOP-15679-branch-2-004.patch, HADOOP-15679-branch-2-004.patch, 
> HADOOP-15679-branch-2.8-005.patch
>
>
> HADOOP-12950 added a timeout on shutdowns to avoid problems with hanging 
> shutdowns. But the timeout is too short for applications where a large flush 
> of data is needed on shutdown.
> A key example of this is Spark apps which save their history to object 
> stores, where the file close() call triggers an upload of the final local 
> cached block of data (could be 32+MB), and then execute the final mutipart 
> commit.
> Proposed
> # make the default sleep time 30s, not 10s
> # make it configurable with a time duration property (with minimum time of 
> 1s.?)



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