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From "Francis Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11165) Scaling so cluster can host 1M regions and beyond (50M regions?)
Date Wed, 03 Sep 2014 21:38:54 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14120511#comment-14120511
] 

Francis Liu commented on HBASE-11165:
-------------------------------------

{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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