Driven Administration Guide

As previously mentioned, the Driven plugin collects rich meta-data to help monitor and operationalize your Cascading application. The plugin maintains an internal queue that stores this information until it has been sent to the Driven application. When the data has been successfully transmitted or if the queue reaches its maximum allocated threshold, the data is purged from the queue. As a result, it is important that there is adequate memory (in JVM)for the Cascading application. It is highly recommended to execute your Cascading applications with the following settings: