Transparent checkpointing for applications with graphical user interfaces

Authors:
Jan-Thomas Czornack;Carsten Trinitis;Max Walter
Affiliations:
Technische Universität München, Lehrstuhl für Rechnertechnik und Rechnerorganisation;Technische Universität München, Lehrstuhl für Rechnertechnik und Rechnerorganisation;Technische Universität München, Lehrstuhl für Rechnertechnik und Rechnerorganisation
Venue:
ISAS'06 Proceedings of the Third international conference on Service Availability
Year:
2006

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Abstract

Transparent checkpointing is a well known method to increase the dependability of long running applications. However, most known implementations concentrate on applications that do not use graphical user interfaces. In this paper we describe common problems arising with transparent checkpointing of applications including their graphical user interfaces. We present a proxy that is able to store the window session of an application and compare our approach with an existing X-Server extension that serves the same purpose. We also discuss the performance impact of both solutions and present performance and latency measurements that demonstrate the usability of the proxy. Category: Service infrastructures.