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https://issues.apache.org/jira/browse/HBASE-13991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606381#comment-14606381
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Ted Yu commented on HBASE-13991:
--------------------------------

Interesting initiative.

bq. and 2x 500 GB hard drives

Please clarify: the master machine has more memory compared to region server 
machines. I expected the machine to have bigger disk, not smaller one.

In the patch, I don't see AssignmentManager being modified.
So this change is limited to filesystem layout mostly ?

> Hierarchical Layout for Humongous Tables
> ----------------------------------------
>
>                 Key: HBASE-13991
>                 URL: https://issues.apache.org/jira/browse/HBASE-13991
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Ben Lau
>            Assignee: Ben Lau
>         Attachments: HBASE-13991-master.patch, HumongousTableDoc.pdf
>
>
> Add support for humongous tables via a hierarchical layout for regions on 
> filesystem.  
> Credit for most of this code goes to Huaiyu Zhu.  



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