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Posted to issues@hbase.apache.org by "Mikhail Antonov (JIRA)" <ji...@apache.org> on 2014/09/03 09:52:51 UTC

[jira] [Commented] (HBASE-11165) Scaling so cluster can host 1M regions and beyond (50M regions?)

    [ https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119513#comment-14119513 ] 

Mikhail Antonov commented on HBASE-11165:
-----------------------------------------

A side question to folks who recently benchmarked it on big clusters.. what's avg ratio of hdfs inodes / per region you observed? Trying to estimate the load the proposed 1M or 50M regions setup puts on NN.

> 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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