[infinispan-dev] HotRod, ClientIntelligence and client-side key location
Mircea Markus
mircea.markus at jboss.com
Fri Apr 16 18:45:59 EDT 2010
On 14 Apr 2010, at 10:22, Galder Zamarreno wrote:
> Apologies for the delay getting back to this. I think Mircea does have a point here.
>
> I think his suggestion might make the the hash function parameters more future proof at the cost of a vInt for the parameter number and a String with the parameter name in the response.
+1. This is more generic and the cost is only one additional param (int?), that's only sent once per HR client.
>
> I can't however give individual examples on parameters that'd be needed in the future.
What about virtual node count, for a function that uses virtual nodes?
>
> Mircea, what did you refer to by sending number of owners? We already do that in the current protocol spec.
I missed that.
>
> Cheers,
>
> ----- "Mircea Markus" <mircea.markus at jboss.com> wrote:
>
>> On 6 Apr 2010, at 19:37, Manik Surtani wrote:
>>
>>>
>>> On 2 Apr 2010, at 00:59, Mircea Markus wrote:
>>>
>>>>> I foresee making the hash space size a tuning parameter in the
>> future. This is independent of hash function used.
>>>> Are all the hash functions going to have an hash space parameter?
>> Other functions might need some additional config params. What about
>> not "hardcoding" params in the protocol itself, but use a generic way
>> to send them over:
>>>> ... bytes[ h f version] [param number] [param name 1] [param value
>> 1] etc.
>>>> Each function should be able to read its own params.
>>>
>>>
>>> I don't see what other params could exist? Any examples?
>> nr of virtual nodes for a different implementation. In future we might
>> also want to send the number of owners. Another impl might come with
>> its own params.
>>>
>>> --
>>> Manik Surtani
>>> manik at jboss.org
>>> Lead, Infinispan
>>> Lead, JBoss Cache
>>> http://www.infinispan.org
>>> http://www.jbosscache.org
>>>
>>>
>>>
>>>
>>>
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>>
>>
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