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https://issues.apache.org/jira/browse/HDFS-7240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14608751#comment-14608751
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Andrew Wang commented on HDFS-7240:
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I see some JIRAs related to volumes; did we resolve the question of the 2-level
vs. 3-level scheme? Based on Colin's (and my own) experiences using S3, we did
not feel the need for users to be able to create buckets, which seemed to be
the primary motivation for volume -> bucket. Typically users also create their
own hierarchy under the bucket anyway, and prefix scans become important then.
My main reason for asking is to make the API as simple and as similar to S3 as
possible, which should help with porting applications.
> Object store in HDFS
> --------------------
>
> Key: HDFS-7240
> URL: https://issues.apache.org/jira/browse/HDFS-7240
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
> Attachments: Ozone-architecture-v1.pdf
>
>
> This jira proposes to add object store capabilities into HDFS.
> As part of the federation work (HDFS-1052) we separated block storage as a
> generic storage layer. Using the Block Pool abstraction, new kinds of
> namespaces can be built on top of the storage layer i.e. datanodes.
> In this jira I will explore building an object store using the datanode
> storage, but independent of namespace metadata.
> I will soon update with a detailed design document.
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