The Dehydration Store
The BPEL Process Manager is a web application created by Oracle. Oracle BPEL Process Manager is deployed on top of J2EE containers such as WebLogic, WebSphere, and JBoss. Oracle BPEL Process Manager uses a database to store metadata, runtime instance information, and the state of each conversation. The database is also used as a Dehydration Store to store the state of the BPEL process services. The process of updating the state of the BPEL process services in the database is called Dehydration. The asynchronous and synchronous processes mainly use the Dehydration Store to save the state of the process while waiting for asynchronous callbacks. The asynchronous messages also persist in the Dehydration Store.
Over a period of time the Dehydration Store database fills with data unless you purge the data at regular intervals. It is an industry-leading practice to develop data purging frequency based on the data retention policies for audit and troubleshooting needs. It is...
