[Opensim-dev] Thoughts on adding a generic key-value storage system to OpenSim?

[Dr Scofield]

diva at metaverseink.com wrote:
> I think the issue at hand is how to allow plugins (regions modules and 
> others) to store additional data in the existing databases. Many times 
> the extra data is just a few more fields. Having to setup entire 
> databases for those plugins, separate from the existing ones, and 
> requiring coordination with the existing ones, seems like an unnecessary 
> complexity.
> 
> So definitely +1 on jhurliman's proposal.

+1 as well.
> 
> Stefan Andersson wrote:
>> For what it's worth, I'd rather have us encourage exploring notions of
>> cloud-like and distributed services than to create a serve-all string
>> storage.
>>
>> Pitched against monolithic database providers, I feel it's more in line with
>> the OpenSim distributed, modular and decoupled mantras.
>>
>> /Stefan
>>
>>> -----Original Message-----
>>> From: opensim-dev-bounces at lists.berlios.de [mailto:opensim-dev-
>>> bounces at lists.berlios.de] On Behalf Of Dickson, Mike (ISS Software)
>>> Sent: den 22 september 2009 17:55
>>> To: opensim-dev at lists.berlios.de
>>> Subject: Re: [Opensim-dev] Thoughts on adding a generic key-value
>>> storage system to OpenSim?
>>>
>>> And OpenSim is?
>>>
>>> I actually really like the notion of a REST like interface for semi-
>>> structured attribute/value storage for modules.  Similar to the cloud
>>> centric storage services. Maybe you configure a URL for the REST
>>> storage svc to use and a module that needs it can look it up and use
>>> it. One implementation could certainly be in the local database but an
>>> external svc (either a separate shared "internal" svc or a real
>>> external cloud storage svc depending on needs).
>>>
>>> Anyway, I'd hate to see restricting options for this based on perceived
>>> stability of a solution.  OpenSim itself is "alpha" as has been pointed
>>> out.  Melanie, you seem to have a preconceived design in mind, maybe
>>> you could share some details.
>>>
>>> Mike
>>>
>>> -----Original Message-----
>>> From: opensim-dev-bounces at lists.berlios.de [mailto:opensim-dev-
>>> bounces at lists.berlios.de] On Behalf Of Melanie
>>> Sent: Tuesday, September 22, 2009 10:42 AM
>>> To: opensim-dev at lists.berlios.de
>>> Subject: Re: [Opensim-dev] Thoughts on adding a generic key-value
>>> storage system to OpenSim?
>>>
>>> CouchDB is generally not considered stable at this time.
>>>
>>> Melanie
>>>
>>> Daniel Smith wrote:
>>>> You mentioned JSON -- Anyone looking at CouchDB?
>>>> http://couchdb.apache.org/
>>>>
>>>>
>>>> On Tue, Sep 22, 2009 at 12:16 AM, Frisby, Adam
>>> <adam at deepthink.com.au>wrote:
>>>>> I think something that has emerged a lot in the last year is the
>>>>> scalability properties of key-value stores. You can get them up to
>>> gigantic
>>>>> sized databases fairly efficiently; definitely more so than a
>>> conventional
>>>>> DB. It would however be nice if we could get some kind of struct
>>> format for
>>>>> serialising/deserialising data and knowing how to decode it
>>> implicitly.
>>>>> (XML, JSON?)
>>>>>
>>>>> Adam
>>>>>
>>>> ---------------------------------------------------------------------
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-- 
dr dirk husemann ---- virtual worlds research ---- ibm zurich research lab
SL: dr scofield ---- drscofield at xyzzyxyzzy.net ---- http://xyzzyxyzzy.net/
RL: hud at zurich.ibm.com - +41 44 724 8573 - http://www.zurich.ibm.com/~hud/