[infinispan-dev] KeyAffinityService

Mircea Markus mmarkus at redhat.com
Fri Jun 14 16:12:40 EDT 2013


Sent from my iPhone

On 14 Jun 2013, at 20:02, cotton-ben <ben.cotton at ALUMNI.RUTGERS.EDU> wrote:

> /
>> Just to reiterate, your *never* expects a node to crash? /
> 
> 
> Easy now, Mircea!   
> 
> All of us in the distributed computing community know
I'm just trying to help Ben.
> that we live in a
> world of necessary compromises (i.e. Brewer's CAP theorem, etc.) re: limits
> of service guarantees and capabilities.
> 
> Now, of course, I do expect a node to crash.  And I do know that such an
> event will have consequences for my beloved pinnedKey set.
> 
> But, just as we make compromises because we *definitely* cannot
> simultaneously provide CAP (BTW, Prof. Lynch in fact *proved* Brewer's CAP
> conjecture) ... it does not mean that we should not 'go for it'.
> 
> The 'P' in CAP is for 'Partition healing' capability of a distributed
> system.  If my node partition crashes, will just have to evolve a 'healing'
> strategy.  I will be patient here.  I have to be.


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