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From Quintero <quinteros8...@gmail.com>
Subject Re: (A or B) AND C AND !D
Date Tue, 15 Nov 2011 16:12:49 GMT


A J <s5alye@gmail.com> wrote:

>To clarify, I wish to keep N=4 and W=2 in the following scenario.
>
>Thanks.
>
>On Sun, Nov 13, 2011 at 11:20 PM, A J <s5alye@gmail.com> wrote:
>> Hello
>> Say I have 4 nodes: A, B, C and D and wish to have consistency level
>> for writes defined in such as way that writes meet the following
>> consistency level:
>> (A or B) AND C AND !D,
>> i.e. either of A or B will suffice and C to be included into
>> consistency level as well. But the write should not wait for D.
>>
>> Is such a configuration possible ?
>> I tried various combinations of EACH_QUORUM and LOCAL_QUORUM and
>> clubbing the nodes in different DCs but could not really come up with
>> a solution. Maybe I am missing something.
>>
>> Thanks.
>>
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