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https://issues.apache.org/jira/browse/HDDS-6818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17544606#comment-17544606
 ] 

Uma Maheswara Rao G commented on HDDS-6818:
-------------------------------------------

[~Symious] In Hadoop, twitter is using NFlyFileSystem for dealing some of multi 
DC use cases. ( From: 
[https://blog.twitter.com/engineering/en_us/a/2015/hadoop-filesystem-at-twitter]
 )

NFlyFileSystem is already available in Hadoop under [viewfs package | 
https://github.com/apache/hadoop/blob/03cfc852791c14fad39db4e5b14104a276c08e59/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/NflyFSystem.java#L61
 ]. 

 

> Multi DC feature for Ozone
> --------------------------
>
>                 Key: HDDS-6818
>                 URL: https://issues.apache.org/jira/browse/HDDS-6818
>             Project: Apache Ozone
>          Issue Type: New Feature
>            Reporter: Janus Chow
>            Assignee: Janus Chow
>            Priority: Major
>
> The aim of this Jira is to add the multi DC feature for Ozone. This feature 
> will try to solve the latency and bandwidth issues of multi DC in two phases.
> Attached the design doc for reviewing: 
> https://docs.google.com/document/d/1J_HTIQJ7x8BIMIaSuJPDhaJBLc4WdOqFJUCvCbD3MLE/edit?usp=sharing



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