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https://issues.apache.org/jira/browse/HADOOP-17999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated HADOOP-17999:
--------------------------------
          Component/s: viewfs
     Target Version/s: 3.2.4, 3.3.2, 2.10.2, 3.4.0
    Affects Version/s: 3.2.4
                       3.3.2
                       2.10.2
                       3.4.0

> No-op implementation of setWriteChecksum and setVerifyChecksum in 
> ViewFileSystem
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-17999
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17999
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: viewfs
>    Affects Versions: 3.4.0, 2.10.2, 3.3.2, 3.2.4
>            Reporter: Abhishek Das
>            Assignee: Abhishek Das
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0, 2.10.2, 3.3.2, 3.2.4
>
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> Currently setVerifyChecksum and setWriteChecksum initializes all target file 
> systems which causes delay in hadoop shell copy commands such as get, put, 
> copyFromLocal etc.
> This also eventually causes OOM.



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