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CDO - What happened to the Couchbase IStore implementation? [message #1702469]

Wed, 22 July 2015 10:16

Eclipse User

Dear All,

I am looking around for possible alternative storage engines for a large cdo/emf model collection.

I spotted a bunch of commits wrt couchbase which was an engine I was considering e.g.:

/couchbase/plugins/org.eclipse.emf.cdo.tests.couchbase/src/org/eclipse/emf/cdo/tests/couchbase/AllTestsCouchbase.java

& was wondering if it ever got to a useable stage? Whether couchbase was a good platform for cdo/emf etc?

i.e. was there a reason apart from lack of time that it was never finished to the degree of making it onto the list of cdo istores?

If not then any ideas wrt how much time it would require & if so.....if it would be worth it? (i.e. if there is not some fundamental problem with it as a solution).

TIA

Adam

Re: CDO - What happened to the Couchbase IStore implementation? [message #1702504 is a reply to message #1702469]

Wed, 22 July 2015 14:38

Eclipse User

Am 22.07.2015 um 16:59 schrieb Adam Flinton:
> Dear All,
>
> I am looking around for possible alternative storage engines for a large cdo/emf model collection.
>
> I spotted a bunch of commits wrt couchbase which was an engine I was considering e.g.:
>
> /couchbase/plugins/org.eclipse.emf.cdo.tests.couchbase/src/org/eclipse/emf/cdo/tests/couchbase/AllTestsCouchbase.java
I vaguely remember that a "formerly active" CDO committer brought this topic up but I thought that never resulted in
working code and commits. Maybe Vik remembers...

>
> & was wondering if it ever got to a useable stage?
I doubt it. Not in CDO. Maybe somewhere else?

> Whether couchbase was a good platform for cdo/emf etc?
I don't know enough about Couchbase to answer this question ;-(

> i.e. was there a reason apart from lack of time that it was never finished to the degree of making it onto the list of
> cdo istores?
Maybe Vik remembers that...

>
> If not then any ideas wrt how much time it would require & if so.....if it would be worth it? (i.e. if there is not
> some fundamental problem with it as a solution).
As I don't know much about Couchbase I would roughly estimate something between two and six weeks. But only if it
(unlike for example MongoDB) supports proper transactions with ACID properties.

Cheers
/Eike

----
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