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https://issues.apache.org/jira/browse/HDFS-5851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13975777#comment-13975777
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Colin Patrick McCabe commented on HDFS-5851:
--------------------------------------------

Hey guys, how does Thursday (April 24) at 3pm-4pm sound for a webex?  I can 
organize.

I'd like to figure out:
* what are the use cases for HDFS-5851
* how is it different than HDFS-4949 (what motivates a separate implementation)
* how it fits into our long-term plans for heterogeneous storage

If we have time we can brainstorm about implementation (Andrew and I have 
actually thought about some ways of extending HDFS-4949 recently, so we'd like 
to share some of those ideas with the community).

> Support memory as a storage medium
> ----------------------------------
>
>                 Key: HDFS-5851
>                 URL: https://issues.apache.org/jira/browse/HDFS-5851
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 3.0.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>
> Memory can be used as a storage medium for smaller/transient files for fast 
> write throughput.
> More information/design will be added later.



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