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CDO Hadoop [message #661471] Thu, 24 March 2011 18:16 Go to next message
Christophe Bouhier is currently offline Christophe BouhierFriend
Messages: 937
Registered: July 2009
Senior Member
Hi, Anyone thinking about hooking up CDO to to Hadoop system? In my
domain, it would make a lot of sense to fill a hadoop system, which can
be presented nicely in objects to RCP clients. Some of the Hadoop
tooling, looks promising for this.
Re: CDO Hadoop [message #661472 is a reply to message #661471] Thu, 24 March 2011 18:54 Go to previous messageGo to next message
Eike Stepper is currently offline Eike StepperFriend
Messages: 6441
Registered: July 2009
Senior Member
Hi Christophe,

I myself have no experience with Hadoop, yet. I notice that they have a bunch of sub projects. Can you point me to some more specific pages that I can read to make a sense out of it?

Do you have plans to implement an integration between CDO and Hadoop?

Cheers
/Eike

----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper


Am 24.03.2011 11:16, schrieb Christophe Bouhier:
> Hi, Anyone thinking about hooking up CDO to to Hadoop system? In my domain, it would make a lot of sense to fill a hadoop system, which can be presented nicely in objects to RCP clients. Some of the Hadoop tooling, looks promising for this.


Re: CDO Hadoop [message #661484 is a reply to message #661472] Thu, 24 March 2011 21:28 Go to previous messageGo to next message
Christophe Bouhier is currently offline Christophe BouhierFriend
Messages: 937
Registered: July 2009
Senior Member
Hi Eike,

Well, I probably know as much as you do, which is the Hadoop keynote
this morning :-) When the ecosystem was discussed, there was a few
addons which caught my interest:

http://hbase.apache.org/
http://hive.apache.org/

Christophe


On 24-03-11 11:54, Eike Stepper wrote:
> Hi Christophe,
>
> I myself have no experience with Hadoop, yet. I notice that they have a
> bunch of sub projects. Can you point me to some more specific pages that
> I can read to make a sense out of it?
>
> Do you have plans to implement an integration between CDO and Hadoop?
>
> Cheers
> /Eike
>
> ----
> http://www.esc-net.de
> http://thegordian.blogspot.com
> http://twitter.com/eikestepper
>
>
> Am 24.03.2011 11:16, schrieb Christophe Bouhier:
>> Hi, Anyone thinking about hooking up CDO to to Hadoop system? In my
>> domain, it would make a lot of sense to fill a hadoop system, which
>> can be presented nicely in objects to RCP clients. Some of the Hadoop
>> tooling, looks promising for this.
Re: CDO Hadoop [message #896094 is a reply to message #661471] Tue, 17 July 2012 09:15 Go to previous messageGo to next message
Markus Scheidgen is currently offline Markus ScheidgenFriend
Messages: 7
Registered: July 2009
Junior Member
There is some work in progress on putting EMF into Hadoops HBase kv-stores. We basically fragment a model automatically into multiple resources and map resources and their urls to keys and values. Clients can control fragmentation with meta-model annotations.

code.google.com/p/emf-fragments
Re: CDO Hadoop [message #896104 is a reply to message #896094] Tue, 17 July 2012 09:30 Go to previous message
Eike Stepper is currently offline Eike StepperFriend
Messages: 6441
Registered: July 2009
Senior Member
Hi Markus,

Transactions with ACID properties are a fundamental aspect of CDO. Most NoSQL databases do not fully support them.

Cheers
/Eike

----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper



Am 17.07.2012 11:15, schrieb Markus Scheidgen:
> There is some work in progress on putting EMF into Hadoops HBase kv-stores. We basically fragment a model
> automatically into multiple resources and map resources and their urls to keys and values. Clients can control
> fragmentation with meta-model annotations.
>
> code.google.com/p/emf-fragments


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