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https://issues.apache.org/jira/browse/HDFS-11026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15864291#comment-15864291
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Andrew Wang commented on HDFS-11026:
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Really happy to see this in, thanks Ewan, Chris, and Daryn for getting it over
the finish line!
> Convert BlockTokenIdentifier to use Protobuf
> --------------------------------------------
>
> Key: HDFS-11026
> URL: https://issues.apache.org/jira/browse/HDFS-11026
> Project: Hadoop HDFS
> Issue Type: Task
> Components: hdfs, hdfs-client
> Affects Versions: 2.9.0, 3.0.0-alpha1
> Reporter: Ewan Higgs
> Assignee: Ewan Higgs
> Fix For: 3.0.0-alpha3
>
> Attachments: blocktokenidentifier-protobuf.patch,
> HDFS-11026.002.patch, HDFS-11026.003.patch, HDFS-11026.004.patch,
> HDFS-11026.005.patch, HDFS-11026.006.patch, HDFS-11026.007.patch
>
>
> {{BlockTokenIdentifier}} currently uses a {{DataInput}}/{{DataOutput}}
> (basically a {{byte[]}}) and manual serialization to get data into and out of
> the encrypted buffer (in {{BlockKeyProto}}). Other TokenIdentifiers (e.g.
> {{ContainerTokenIdentifier}}, {{AMRMTokenIdentifier}}) use Protobuf. The
> {{BlockTokenIdenfitier}} should use Protobuf as well so it can be expanded
> more easily and will be consistent with the rest of the system.
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