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From aaron morton <aa...@thelastpickle.com>
Subject Re: Partitioner per keyspace
Date Wed, 28 Sep 2011 08:36:05 GMT
Thats the one I was thinking of. 

Cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 28/09/2011, at 9:12 PM, Sylvain Lebresne wrote:

> https://issues.apache.org/jira/browse/CASSANDRA-295
> 
> --
> Sylvain
> 
> On Wed, Sep 28, 2011 at 10:06 AM, aaron morton <aaron@thelastpickle.com> wrote:
>> The first thing I can think of is the initial_token for the node must be a
>> valid token according to the configured partitioner, as the tokens created
>> by the partitioner are the things stored the distributed hash tree. If you
>> had a partitioner per KS you would need to configure the initial_token per
>> KS.
>> Also it's not possible to change *ever* change the partitioner, so it would
>> have to be excluded from the KS update.
>> They are not show stoppers, just the firs things that come to mind.
>> IIRC a lot of the other access happens in the context of a KS, their may be
>> other issues but I've not checked the code.
>> Anyone else ?
>> 
>> -----------------
>> Aaron Morton
>> Freelance Cassandra Developer
>> @aaronmorton
>> http://www.thelastpickle.com
>> On 28/09/2011, at 8:28 PM, Philippe wrote:
>> 
>> Hi is there any reason why configuring a partitioner per keyspace wouldn't
>> be possible technically ?
>> 
>> Thanks.
>> 


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