Adding to that below are few features I think any new store would have to support
1. Sorted primary key access - For now required to find children of any parent path 2. secondary indexes apart from _id field 3. compare-and-set (CAS) operations for sub fields Chetan Mehrotra On Wed, Mar 29, 2017 at 1:59 PM, Marcel Reutegger <[email protected]> wrote: > Hi Juanjo, > > I don't know Cassandra that well, but I'd say this is feasible. Though, you > would probably not implement a NodeStore but a backend for the > DocumentNodeStore. That is, you need to implement a DocumentStore [0]. There > are currently implementations for MongoDB [1] and RDB [2]. > > Consistency is indeed important and Oak requires rater strict guarantees. > > Regards > Marcel > > [0] > http://svn.apache.org/repos/asf/jackrabbit/oak/tags/jackrabbit-oak-1.6.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentStore.java > [1] > http://svn.apache.org/repos/asf/jackrabbit/oak/tags/jackrabbit-oak-1.6.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoDocumentStore.java > [2] > http://svn.apache.org/repos/asf/jackrabbit/oak/tags/jackrabbit-oak-1.6.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStore.java > > > On 28/03/17 19:34, Juan José Vázquez Delgado wrote: >> >> Hello guys, I'm currently assessing Oak as an alternative for content >> management on my cloud product. However, I already have a Cassandra >> cluster >> as the main persistence technology and to go additionally with Mongo would >> turn out in more complexity in terms of manteinance and support. >> >> So, have you ever consider Cassandra as an alternative to Mongo for node >> storing?. I'd be willing to tackle the implementation of such a plugin but >> I'd like to know if you find any drawbacks in advance. Perhaps you've >> already tried it and stumbled across with blocking issues. For instance, >> I'd be concern with Cassandra's eventual consistency. >> >> Thanks in adance for considering this. >> >> Regards, >> >> Juanjo >> >
