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Apache Karaf natively provides a failover mechanism. It uses a kind of master/slave topology where one instance is active
and the others are in standby.
-If you are looking for cluster of Apache Karaf instances (active/active), [Apache Karaf Cellar|https://karaf.apache.org/projects.html] is a solution.
+If you are looking for cluster of Apache Karaf instances (active/active), link:https://karaf.apache.org/projects.html[Apache Karaf Cellar] is a solution.
Karaf provides failover capability using either a simple lock file or a JDBC locking mechanism.
In both cases, a container-level lock system allows bundles to be preloaded into the slave Karaf instance in order to provide faster failover performance.
