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Executing Large Parameter Sweep Applications on a Multi-VO Testbed Shahaan Ayyub, David Abramson, Colin Enticott, Slavisa Garic, Jefferson Tan
 

Summary: Executing Large Parameter Sweep Applications on a Multi-VO Testbed
Shahaan Ayyub, David Abramson, Colin Enticott, Slavisa Garic, Jefferson Tan
Faculty of Information Technology,
Monash University, Australia 3145
{ayyub.shahaan, davida, cme, sgaric, jefferson.tan}@infotech.monash.edu.au
Abstract
Applications that span multiple virtual
organizations (VOs) are of great interest to the
eScience community. However, recent attempts to
execute large-scale parameter sweep applications
(PSAs) with the Nimrod/G tool have exposed problems
in the areas of fault tolerance, data storage and trust
management. In response, we have implemented a
task-splitting approach, which breaks up large PSAs
into a sequence of dependent subtasks, improving fault
tolerance; provides a garbage collection technique,
which deletes unnecessary data; and employs a trust
delegation technique that facilitates flexible third
party data transfers across different VOs.
1 Introduction

  

Source: Abramson, David - Caulfield School of Information Technology, Monash University

 

Collections: Computer Technologies and Information Sciences