WebSphere WebSphere Application Server Network Deployment, Version 6.0.x Operating Systems: AIX, HP-UX, Linux, Solaris, Windows

Data store

Each messaging engine has its own data store, which stores both volatile and durable data.

A data store holds data such as messages, transaction states and delivery records. Both volatile and durable objects are stored. Volatile objects are not recovered after a messaging engine failure. Durable objects are objects that are needed for recovery in the event of a failure.

By default, the data store is configured with a default XA data source, to use the Cloudscape JDBC Provider (XA) for the application server. If required, you can configure the data store to use other data sources.

If there are problems with the data store for a messaging engine, you can perform a dump, in reduced form, of the data in the data store.

Related tasks
Setting up the data store for a messaging engine
Restoring a data store backup and recovering a messaging engine afterwards
Related information
Tips for troubleshooting service integration messaging

Concept topic

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Last updated: 5 Oct 2005
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