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https://issues.apache.org/jira/browse/HDDS-3403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marton Elek updated HDDS-3403:
------------------------------
    Description: 
FSProtos.proto is copied from the Hadoop and used during the proto file 
generation **BUT** the types defined in FSProtos.proto are generated by Hadoop 
subproject.

This makes it hard to use Ozone with older Hadoop versions as the types of 
FSProtos are available only from Hadoop 3.x. 

An easy fix is to generate our own version based on the existing FSProtos.proto

  was:
FSProtos.proto is copied from the Hadoop and used during the proto file 
generation **BUT** the types defined in FSProtos.proto are generated by Hadoop 
subproject.

This makes it hard to use Ozone with older Hadoop versions as the types of 
FSProtos are available only from Hadoop 3.x. 

An easy fix is to generate our old version based on the existing FSProtos.proto


> Generate ozone specific version from type in FSProto.proto
> ----------------------------------------------------------
>
>                 Key: HDDS-3403
>                 URL: https://issues.apache.org/jira/browse/HDDS-3403
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>          Components: Ozone Manager
>            Reporter: Marton Elek
>            Assignee: Marton Elek
>            Priority: Major
>
> FSProtos.proto is copied from the Hadoop and used during the proto file 
> generation **BUT** the types defined in FSProtos.proto are generated by 
> Hadoop subproject.
> This makes it hard to use Ozone with older Hadoop versions as the types of 
> FSProtos are available only from Hadoop 3.x. 
> An easy fix is to generate our own version based on the existing 
> FSProtos.proto



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