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https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14120511#comment-14120511
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Francis Liu commented on HBASE-11165:
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{quote}
Francis Liu, Virag Kothari - do you guys have by chance some recent numbers (or
maybe estimate) on how long does full master failover take on the cluster with
300k or 3M regions? I didn't find those in the recent doc, eager to see that.
{quote}
[~mantonov] We don't have the numbers we'll get them next time. Tho failover
recovery is essentially bounded on scanning meta and recovering dead servers.
So without dead servers it would just be a fraction of the startup time.
> 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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