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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7240) Object store in HDFS
Date Thu, 26 May 2016 05:33:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15301560#comment-15301560

Colin Patrick McCabe commented on HDFS-7240:

bq. [~szetszwo] wrote: I seem to recall that you got your committership by contributing the
symlink feature, however, the symlink feature is still not working as of today. Why don't
you fix it? I think you want to build up a good track record for yourself.

[~andrew.wang] did not get his commitership by contributing the symlink feature.  By the time
he was elected as a committer, he had contributed a system for efficiently storing and reporting
high-percentile metrics, an API to expose disk location information to advanced HDFS clients,
converted all remaining JUnit 3 HDFS tests to JUnit 4, and added symlink support to FileSystem.
 The last one was just contributing a new API to the FileSystem class, not implementing the
symlink feature itself.  You are probably thinking of [~eli], who became a committer partly
by working on HDFS symlinks.

> 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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