I am struggling to find enough documentation and examples for constructing
and using Jackrabbit OAK in a clustered environment through sharding node
stores by path. I know this is possible because there are references in a
few places but with very little information.

Take a look at slide 17 in this PDF which lists the various sharding
strategies.
http://events.linuxfoundation.org/sites/events/files/slides/the%20architecture%20of%20Oak.pdf

My use case is that I need to have several remote servers all running the
same Jackrabbit OAK application which uses the DocumentNodeStore backed by
MongoDB for the node and blob storage. What I ultimately want is to shard
(or partition) portions of my data across these remote servers organized by
different paths in the overall node structure.

For example:

*Server (A)*
Is responsible for storing content at /a/*

*Server (B)*
Is responsible for storing content at /b/*

If Server (A) wants to read or write content at /b/*, it can access nodes
at that path using the normal JCR or OAK API's which should completely
abstract the user from the network details and the connection to the Server
(B) MongoDB.

Is there any solid documentation relating to this use case? If not, what is
the best way to go about learning this? I can spend the whole day wandering
through the OAK source code, but documentation would be much preferred.

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