To expand on what Lars said, there is an example of how this is layed out
on disk...

http://hbase.apache.org/book.html#trouble.namenode.disk

... regions distribute the table, so two different tables will be
distributed by separate sets of regions.




On 12/1/11 3:14 AM, "Lars George" <[email protected]> wrote:

>Hi Sam,
>
>You need to handle them all separately. The note - I assume - was solely
>explaining the fact that the "load" of a region server is defined by the
>number of regions it hosts, not the number of tables. If you want to
>precreate the regions for one or more than one table is the same work:
>create the tables (one by one) with the list of split points.
>
>Lars
>
>On Dec 1, 2011, at 7:50 AM, Sam Seigal wrote:
>
>> HI,
>> 
>> I had a question about the relationship  between regions and tables.
>> 
>> Is there a way to pre-create regions for multiple tables ? or each
>> table has its own set of regions managed independently ?
>> 
>> I read on one of the threads that there is really no limit on the
>> number of tables, but that we need to be careful about is the number
>> of regions. Does this mean that the regions can be pre created for
>> multiple tables ?
>> 
>> Thank you,
>> 
>> Sam
>
>


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