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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11165) Scaling so cluster can host 1M regions and beyond (50M regions?)
Date Thu, 04 Sep 2014 16:39:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14121545#comment-14121545
] 

Elliott Clark commented on HBASE-11165:
---------------------------------------

bq.Is the failure you refer to our having a root and not making use of it?
No. I was referring to HDFS Federation as a failure.  In my mind it's a failure.  99% of HDFS
users don't need or want it yet federation slows down all feature developent and increases
complexity on just about every operation. 

In my mind the solutions being discussed here seem to run parallel. 99% of users don't need
them but everyone's going to deal with extra lookpus on region location misses and extra complexity
while running the system.

> 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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