High Availability for Mule ESB
Overview
High Availability for Mule ESB provides basic failover capability for Mule ESB Enterprise. When the primary Mule ESB instance becomes unavailable (e.g., because of a fatal JVM or hardware failure), a backup Mule ESB instance immediately becomes the primary node and resumes processing where the failed instance left off. After a system administrator has recovered the failed Mule ESB instance and brought it back online, it automatically becomes the backup node.
Seamless failover is made possible by a distributed memory store that shares all transient state information among clustered Mule ESB instances, such as:
Seamless failover is made possible by a distributed memory store that shares all transient state information among clustered Mule ESB instances, such as:
- SEDA service event queues
-
In-memory message queues
High Availability for Mule ESB is included as an integrated part of the Mule ESB Enterprise offering.
High Availability for Mule ESB is currently available for the following transports:
- HTTP (including CXF Web Services)
- JMS
- WebSphere MQ
- JDBC
- File
- FTP
- Clustered (replaces the local VM transport)
