Crash Recovery of the Hanuri/TFlow Workflow Engine

Y.-H. Suh, K.-W. Lee, A.-K. Mun, and H.-S. Ham (Korea)


workflow system, workflow recovery, crash recovery


Workflow recovery aims to restore the most recent consistent process state after a failure, so that as little long-duration work as possible is lost and that process execution can be continued. In this paper, we present design and implementation of the crash recovery of Hanuri/TFlow workflow engine. We depend on the well known `repeating-history' scheme for restarting recovery after workflow engine failure. Our contribution is mainly focused on the resuming strategy after crash recovery.

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