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https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14121038#comment-14121038
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Mikhail Antonov commented on HBASE-11165:
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[~stack] that's kind of hard to compare the relative complexity without
proposed detailed designs for both, I believe both options worth research and
comparison (also we should be able to combine them). W.r.t multiple masters, we
do try to streamline the design (with that incremental approach for
"cold->warm->hot-> active-active" transition) to make it less intrusive change
+ provide positive side effects like simplifying current workflow management
around region splits, log splitting etc.
> 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_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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