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https://issues.apache.org/jira/browse/HDFS-7240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15304408#comment-15304408
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Anu Engineer commented on HDFS-7240:
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[~lars_francke] Sorry for the confusion. {{Ozone-architecture-v1.pdf}} is the
original ozone architecture document that it was referring to. So you are on
the right track. This is an update of the original design, where we are
proposing that SCM -- which was similar to Namenode -- that did both namespace
management and block management -- be separated into KSM and SCM. So most of
the original document stands as is. This design update also contains a section
on data pipeline that contains details on how we would like to use an RSM to
get strong consistency. The talk we gave (
http://schd.ws/hosted_files/apachebigdata2016/fc/Hadoop%20Object%20Store%20-%20Ozone.pdf
) in ApacheCon assumes no prior knowledge of current state of ozone. if you
like you can look at those slides and then read the updated design. That will
also provide you with continuity to read the updated design doc.
> 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, Ozonedesignupdate.pdf,
> ozone_user_v0.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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