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https://issues.apache.org/jira/browse/HDDS-3604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17118464#comment-17118464
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Marton Elek commented on HDDS-3604:
-----------------------------------

Ok, based on the code, as I understood, this patch is just using own 
Security/Token classes instead of the Hadoop one and it clones the 
serialization/deserialization logic. I think it's a good step, but let me 
rename this Jira as it suggests that we started to use Hadoop 3.3.

> Support for Hadoop-3.3
> ----------------------
>
>                 Key: HDDS-3604
>                 URL: https://issues.apache.org/jira/browse/HDDS-3604
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>            Reporter: Vinayakumar B
>            Assignee: Vinayakumar B
>            Priority: Major
>              Labels: pull-request-available
>
> Hadoop-3.3 will be released soon, which brings the most important and long 
> awaited Protobuf upgrade to 3.7, by shading the internal protobuf classes in 
> Hadoop-thirdparty library, still keeping the protobuf-2.5.0 as a transitive 
> dependency.
> Unfortunately, There are direct usages of Hadoop's internal protobuf classes. 
> Because of this, ozone breaks after upgrading hadoop dependency to 3.3.0
> This Jira intends to do avoid such direct usages of hadoop's protobuf classes.



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