Tolosana-Calasanz, Rafael, Bañares, José Ángel, Álvarez, Pedro, Ezpeleta, Joaquín and Rana, Omer Farood ORCID: https://orcid.org/0000-0003-3597-2646 2010. An uncoordinated asynchronous checkpointing model for hierarchical scientific workflows. Journal of Computer and System Sciences 76 (6) , pp. 403-415. 10.1016/j.jcss.2009.11.003 |
Abstract
Scientific workflow systems often operate in unreliable environments, and have accordingly incorporated different fault tolerance techniques. One of them is the checkpointing technique combined with its corresponding rollback recovery process. Different checkpointing schemes have been developed and at various levels: task- (or activity-) level and workflow-level. At workflow-level, the usually adopted approach is to establish a checkpointing frequency in the system which determines the moment at which a global workflow checkpoint – a snapshot of the whole workflow enactment state at normal execution (without failures) – has to be accomplished. We describe an alternative workflow-level checkpointing scheme and its corresponding rollback recovery process for hierarchical scientific workflows in which every workflow node in the hierarchy accomplishes its own local checkpoint autonomously and in an uncoordinated way after its enactment. In contrast to other proposals, we utilise the Reference net formalism for expressing the scheme. Reference nets are a particular type of Petri nets which can more effectively provide the abstractions to support and to express hierarchical workflows and their dynamic adaptability.
Item Type: | Article |
---|---|
Date Type: | Publication |
Status: | Published |
Schools: | Computer Science & Informatics |
Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science |
Uncontrolled Keywords: | Checkpointing; Rollback recovery; Petri nets; Reference nets; Scientific workflows |
Publisher: | Elsevier |
ISSN: | 0022-0000 |
Last Modified: | 20 Oct 2022 08:11 |
URI: | https://orca.cardiff.ac.uk/id/eprint/27532 |
Citation Data
Cited 12 times in Scopus. View in Scopus. Powered By Scopus® Data
Actions (repository staff only)
Edit Item |