Tuning the Persistent Store
As the earlier chapters in this book explain, WebLogic Server subsystems such as JMS use the persistent store to save their data, such as JMS messages. You can use the default, preconfigured, file-based persistent store, or you can use a custom file store or JDBC store. In addition, each JMS server uses an implicitly created file-based paging store to page persistent as well as nonpersistent messages. Oracle recommends that you share a single persistent store between all the subsystems instead of maintaining a dedicated store for each subsystem.
If you use a file store, you want to make sure you are using a fast disk, because high availability is impacted by your choice. The ability to migrate JMS to a different machine ...
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