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https://issues.apache.org/jira/browse/MAPREDUCE-7294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mingliang Liu updated MAPREDUCE-7294:
-------------------------------------
    Affects Version/s:     (was: 3.3.1)
                           (was: 3.1.5)
                           (was: 3.4.0)
                           (was: 3.2.2)
                           (was: 3.1.3)
                           (was: 2.9.3)
                           (was: 3.1.2)
                           (was: 2.9.2)
                           (was: 3.1.1)
                           (was: 3.0.3)
                           (was: 3.2.0)
                           (was: 3.0.2)
                           (was: 2.9.1)
                           (was: 3.0.1)
                           (was: 3.1.0)
                           (was: 3.0.0)
                           (was: 2.9.0)
                       2.10.0

> Every NM will try to upload Jar/Archives/Files/Resources to Yarn Shared Cache 
> Manager Like DDOS
> -----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7294
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7294
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.10.0, 3.3.0, 3.2.1, 3.1.4
>            Reporter: zhenzhao wang
>            Assignee: zhenzhao wang
>            Priority: Major
>             Fix For: 3.2.2, 3.4.0, 3.1.5, 3.3.1
>
>
> The design of yarn shared cache manager is only to allow application master 
> should upload the jar/files/resource. However, there was a bug in the code 
> since 2.9.0. Every node manager that take the job task will try to upload the 
> jar/resources. Let's say one job have 5000 tasks. Then there will be up to 
> 5000 NMs try to upload the jar. This is like DDOS and create a snowball 
> effect. It will end up with inavailability of yarn shared cache manager. It 
> wil cause time out in localization and lead to job failure.



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