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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11165) Scaling so cluster can host 1M regions and beyond (50M regions?)
Date Fri, 15 Aug 2014 20:51:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14099118#comment-14099118
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Matteo Bertozzi commented on HBASE-11165:
-----------------------------------------

{quote}That's great, as a first step will bring back root. And next patch would be do split
meta. Does it sound reasonable?{quote}
I haven't read the full discussion, so sorry if I missed this piece.
does splitting meta means having multiple master each one handing its own meta and its own
set of RS?
otherwise we go back as before, the idea of having meta colocated with the master was have
operation like assignment, or disable/enable, create/delete interact with "local data" and
avoid complexity in handling failure when interacting with other machines.



> Scaling so cluster can host 1M regions and beyond (50M regions?)
> ----------------------------------------------------------------
>
>                 Key: HBASE-11165
>                 URL: https://issues.apache.org/jira/browse/HBASE-11165
>             Project: HBase
>          Issue Type: Brainstorming
>            Reporter: stack
>         Attachments: HBASE-11165.zip, Region Scalability test.pdf, zk_less_assignment_comparison.pdf,
zk_less_assignment_comparison_2.pdf
>
>
> This discussion issue comes out of "Co-locate Meta And Master HBASE-10569" and comments
on the doc posted there.
> A user -- our Francis Liu -- needs to be able to scale a cluster to do 1M regions maybe
even 50M later.  This issue is about discussing how we will do that (or if not 50M on a cluster,
how otherwise we can attain same end).
> More detail to follow.



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