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https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119832#comment-14119832
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Andrey Stepachev commented on HBASE-11165:
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Just thinking, did anyone tried to measure how meta uses memory and reduce
usage of memory? It is interesting, why NN is able to handle much more data in
memory, while HMaster can't.
> 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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