Lipu Fei, Bogdan Ghit, Alexandru Iosup and Dick Epema (2014). KOALA-C, A Task Allocator for Integrated Multicluster and Multicloud Environments, IEEE Cluster.

Bogdan Ghit, Nezih Yigitbasi, Alexandru Iosup, and Dick Epema (2014). Balanced Resource Allocations across Multiple Dynamic MapReduce Clusters, ACM Sigmetrics.

Aleksandra Kuzmanovska, Rudolf Mak, and Dick Epema (2014). Dynamically Schedulig a Component-Based Framework in Clusters, 18th Workshop on Job Scheduling Strategies for Parallel Processing (in conjunction with IPDPS).


Bogdan Ghit, Nezih Yigitbasi, Dick Epema (2012). Resource Management for Dynamic MapReduce Clusters in Multicluster Systems (Best Paper Award), 5th Workshop on Many-Task Computing on Grids and Supercomputers (MTAGS) co-located with Supercomputing (SC).


A. Iosup and D.H.J. Epema (2011). Grid Computing WorkloadsIEEE Internet Computing 15(2):19-26.

M.N. Yigitbasi, L. Mummert, P. Pillai, and D.H.J. Epema (2011). Incremental Placement of Interactive Perception Applications, 20th Int'l ACM Symp. on High-Performance Parallel and Distributed Computing (HPDC-2011).

Alexandru Iosup and Simon Ostermann and Nezih Yigitbasi and Radu Prodan and Thomas Fahringer and Dick Epema (2011). Performance Analysis of Cloud Computing Services for Many-Tasks Scientific Computing, IEEE Transactions on Parallel and Distributed Systems 22(6):931-945.


O.O. Sonmez, H.H. Mohamed, and D.H.J. Epema (2010). On the Benefit of Processor Co-Allocation in Multicluster Grid SystemsIEEE Trans. on Parallel and Distributed Systems 21:778-789.

Omer Ozan Sonmez and Nezih Yigitbasi and Saeid Abrishami and Alexandru Iosup and Dick H. J. Epema (2010). Performance Analysis of Dynamic Workflow Scheduling in Multicluster Grids. In Proceedings of the 19th ACM International Symposium on High Performance Distributed Computing (HPDC-2010).


Ozan Sonmez and Bart Grundeken and Hashim Mohamed and Alexandru Iosup and Dick Epema (2009). Scheduling Strategies for Cycle Scavenging in Multicluster Grid Systems, 9th IEEE/ACM Int'l Symp. on Cluster Computing and the Grid (CCGrid).


H.H. Mohamed and D.H.J. Epema (2008). KOALA: A Co-Allocating Grid SchedulerConcurrency and Computation: Practice and Experience 20:1851-1876.


J. Buisson and O.O. Sonmez and H.H. Mohamed and D.H.J. Epema (2007). Scheduling Malleable Applications in Multicluster SystemsIEEE International Conference on Cluster Computing.


Ozan Sonmez and H.H. Mohamed and D.H.J. Epema (2006). Communication-Aware Job Placement Policies for the KOALA Grid Scheduler, Second IEEE International Conference on e-Science and Grid Computing (e-Science'06).


H.H. Mohamed and D.H.J. Epema (2005). The Design and Implementation of the KOALA Co-Allocating Grid Scheduler. In European Grid Conference, pp. 640-650. LNCS 3470.

H.H. Mohamed and D.H.J. Epema (2005). Experiences with the KOALA Co-Allocating Scheduler in Multiclusters, IEEE Int'l Symposium on Cluster Computing and the Grid (CCGrid2005).


  • January 2013: MR-Runner upgraded! Now the MR-Runner deploys Hadoop-1.0.0 clusters, compatible with Pig-0.10.0. 

  • December 2012KOALA 2.1 released! Deploy MapReduce clusters on DAS-4 with the Koala MR-Runner

  • November 2012:  Best Paper Award at MTAGS12 workshop (co-located with SC12) with work on MapReduce!

  • November 2009KOALA 2.0 released! You can now run Parameter sweep applications (PSAs) with KOALA CSRunner

  • April 2008: New KOALA runner! The OMRunner enables DRMAA and OpenMPI job submissions. 

  • July 2007: Paper accepted at Grid07 conference with work on scheduling malleable jobs in KOALA.

  • May 2007: KOALA has now been ported successfully to DAS-3. All the KOALA runners are operational apart from the DRunner.

  • April 2007: The KOALA IRunner has been updated to include recommendations made by the Ibis group