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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Region Server on all data node?
Date Fri, 26 Sep 2014 14:21:13 GMT
Region server should be installed on server which is a data node.

Region server count may be lower than data node count. So some data nodes
would not have region server running.

See http://hbase.apache.org/book.html#regions.arch.locality


On Fri, Sep 26, 2014 at 7:02 AM, Thomas Kwan <thomas.kwan@manage.com> wrote:

> Hi there,
> To get good read performance, should the region server be installed on
> every data node? (Thinking about data locality here)
> thanks
> thomas

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