...

<bean name "modeshapeRepofactory" class= "org.fcrepo.kernel.spring.ModeshapeRepositoryFactoryBean">
	<property name="repositoryConfiguration" value="${fcrepo.modeshape.configuration:classpath:/config/single/repository.json}"/>
</bean>

rest.xml

• bean implementation for UUIDPathMinter, SessionFactoryfor InternalIdentifierConverter (identifier translationChain), StoragePolicyDecisionPointImpl, SessionFactory, and base-packages to autoscan auto scan into spring

eventing.xml  

• bean implementation for eventing - observer, filter, eventbusevent bus

jms.xml

• here you can specify the impementation implementation for processing events

generator.xml

...

• bean implementation for OAuth security

transactions.xml

• Specify the config for transactions

minter.xml

• bean implementation for minting identifiers

fcrepo4/fcrepo-configs/src/main/resources/config

...

• config for message broker

jgroups-fcrepo-tcp.xml

• Config for the Messaging Toolkit JGroups to transfer state between nodes in a Fedora Cluster.

fcrepo4/fcrepo-webapp/src/main/resources

...

• In-memory configuration for object storage (useful for testing)

Repository Config Options: 

fcrepo.modeshape.query.enabled:true
fcrepo.modeshape.query.mode:sync

...

Fedora 4 stores binary content separately (to one of the above paths, depending on configuration). These files are stored hashed by the content SHA-1 hash. 

Performance considerations:

If your application does not use the query index (which powers basic administrative search, and the simple fcr:sparql endpoint), you can significantly improve repository performance by disabling indexing, or using asynchronous indexing instead.

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Fedora Node Types - node definitions in terms of

...

namespace properties

Defining .cnd files such as these in repository.json will register namespaces and nodetypes node types found within:

fcrepo4/fcrepo-kernel/src/main/resources/fedora-node-types.cnd

...