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From "Jitendra Nath Pandey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7240) Object store in HDFS
Date Tue, 30 Jun 2015 20:54:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14609050#comment-14609050
] 

Jitendra Nath Pandey commented on HDFS-7240:
--------------------------------------------

[~khanderao], thanks for the review.
1) Ozone stores data on datanode themselves, therefore it can provide locality for computations
running on the datanodes. The hardware can be chosen based on the use case and computational
needs on the datanodes.
2) Of course, it would be possible to have a dedicated object store or hdfs deployment, with
datanodes configured to talk to respective blockpool.

> 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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