Yeah, its about time.
What a slacker! :-P
> On May 11, 2015, at 6:56 PM, Jean-Marc Spaggiari <[email protected]>
> wrote:
>
> This? http://shop.oreilly.com/product/0636920033943.do
>
> 2015-05-11 18:55 GMT-04:00 Michael Segel <[email protected]>:
>
>> Why would you expect to have a region allocated to all of the region
>> servers?
>> You generate a region based on either pre-splitting (you set the region’s
>> key range) , or you start with one region and grow from there.
>>
>> Please read either Lars George’s book (dated) or Nick Dimiduk’s book.
>> (Sorry but has Lars George ever done a second or third edition yet? )
>>
>>
>>> On May 11, 2015, at 5:38 PM, Arun Patel <[email protected]> wrote:
>>>
>>> I have some basic questions on regions.
>>>
>>> 1) I have a 10 node HBase cluster. When I create a table in HBase, how
>>> many regions will be allocated by default? I looked at the HBase Master
>> UI
>>> and it seems regions are not allocated to all the Regionservers by
>>> default. How can I allocate the regions in all Region Servers?
>> Basically,
>>> This distributes the data in a better way If I am using a slated key. My
>>> requirement is to distribute the data across the cluster using salted
>>> keys. But, Having few regions is a constraint?
>>>
>>> 2) How does the rowkey to region mapping works? In Cassandra, we have a
>>> concept of assigning token range for each node. Rowkey will be assigned
>> to
>>> a node based on the token range. How does this work in HBase?
>>>
>>> Regards,
>>> Arun
>>
>> The opinions expressed here are mine, while they may reflect a cognitive
>> thought, that is purely accidental.
>> Use at your own risk.
>> Michael Segel
>> michael_segel (AT) hotmail.com
>>
>>
>>
>>
>>
>>
