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Activiti 5.x Business Process Management Beginner's Guide by Irshad Mansuri, Dr. Zakir Laliwala

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Monitoring using Esper

Esper is a component for complex event processing. Esper and Event Processing Language (EPL) provide a highly scalable, memory-efficient, in-memory computing, SQL-standard, minimally latent, real-time streaming Big Data processing engine for medium to high-velocity, high variety data. We can monitor the process using Esper. We will see how we can use Esper to monitor the required time for executing the process. For more information, you can go through this URL: http://esper.codehaus.org/.

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