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https://issues.apache.org/jira/browse/HDDS-2939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17162750#comment-17162750
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Rakesh Radhakrishnan edited comment on HDDS-2939 at 7/22/20, 12:21 PM:
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Thanks [~Sammi] for the comments.
{quote}So will the File table and Object table coexist after this namespace
feature completed? Or do we plan to fundamentally switch the current internal
flat object store layout to hierarchic dir/file layout?
{quote}
Could you please refer my above comment, here the example shows the metadata
entries to the two tables - Dir and Key tables. Both the tables will co-exists
and all the entries in the 'KeyTable' should have the immediate parent ID
reference to the 'DirTable'. Here, the lookup traversal will happen from
top-to-bottom for any keys/paths.
was (Author: rakeshr):
Thanks [~Sammi] for the comments.
{quote}So will the File table and Object table coexist after this namespace
feature completed? Or do we plan to fundamentally switch the current internal
flat object store layout to hierarchic dir/file layout?
{quote}
Could you please refer to my above comment, here the example shows the metadata
entries to the two tables - Dir and Key tables. Both the tables will co-exists
and all the entries in the 'KeyTable' should have the immediate parent ID
reference to the 'DirTable'. Here, the lookup traversal will happen from
top-to-bottom for any keys/paths.
> Ozone FS namespace
> ------------------
>
> Key: HDDS-2939
> URL: https://issues.apache.org/jira/browse/HDDS-2939
> Project: Hadoop Distributed Data Store
> Issue Type: New Feature
> Components: Ozone Manager
> Reporter: Supratim Deka
> Assignee: Rakesh Radhakrishnan
> Priority: Major
> Labels: Triaged
> Attachments: Ozone FS Namespace Proposal v1.0.docx
>
>
> Create the structures and metadata layout required to support efficient FS
> namespace operations in Ozone - operations involving folders/directories
> required to support the Hadoop compatible Filesystem interface.
> The details are described in the attached document. The work is divided up
> into sub-tasks as per the task list in the document.
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