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https://issues.apache.org/jira/browse/HDFS-5847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-5847:
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Target Version/s: 3.0.0 (was: HDFS-5698 (FSImage in protobuf))
> Consolidate INodeReference into a separate section
> --------------------------------------------------
>
> Key: HDFS-5847
> URL: https://issues.apache.org/jira/browse/HDFS-5847
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 3.0.0
> Reporter: Haohui Mai
> Assignee: Jing Zhao
> Attachments: HDFS-5847.000.patch
>
>
> Currently each INodeDirectorySection.Entry contains variable numbers of
> INodeReference entries. The INodeReference entries are inlined, therefore it
> is difficult to quickly navigate through a INodeDirectorySection.Entry.
> Skipping through a INodeDirectorySection.Entry without parsing is essential
> to parse these entries in parallel.
> This jira proposes to consolidate INodeReferences into a section and give
> each of them an ID. The INodeDirectorySection.Entry can store the list of the
> IDs as a repeated field. That way we can leverage the existing code in
> protobuf to quickly skip through a INodeDirectorySection.Entry.
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