| Kriton Kyrimis, Rafael Alonso, "An Experimental Comparison of Initial Placement Vs. Process Migration for Load Balancing Strategies, " Technical Report CS-TR-199-88, Department of Computer Science, Princeton University, December 1988. |
....normally assigned set of users. Similar efforts are being pursued in other research but there is as yet no such system available. The approach taken in this thesis is to integrate into PVM that functionality from Condor which implements process migration and to add a simple load balancing strategy [Kyr88]. This approach is a model for creating new system capabilities by synthesis of functionality of existing systems. This thesis focuses on evaluation of the effectiveness of the extension to include process migration and load balancing. The evaluation is accomplished by defining systematic ....
....hosts. This information can be used in making two very important decisions: Where to spawn new PVM tasks (initial placement static load balancing) Where to migrate a suspended PVM task (process migration dynamic load balancing Thus we can implement both of the load balancing strategies [Kyr88]. 3.4 Suspend and Migrate a PVM Task A pvmd decides to suspend and migrate a PVM task once it observes that its load is above the threshold or there is input activity. The pvmd will first checkpoint the PVM task. The checkpointing code is taken from Condor. There are certain restrictions on the ....
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Kriton Kyrimis, Rafael Alonso, "An Experimental Comparison of Initial Placement Vs. Process Migration for Load Balancing Strategies, " Technical Report CS-TR-199-88, Department of Computer Science, Princeton University, December 1988.
....performance improvement when both strategies are used. y This work is supported in part by the Natural Sciences and Engineering Research Council (NSERC) of Canada under grants OGP9110 and OGP9183. 1 By an active process, we mean a process that has started execution. Kyrimis and Alonso [10] have concluded that if the system load is not heavy, no strategy should be employed, but when the load is heavy, process migration should be used whenever possible. Kyrimis and Alonso have also shown that the use of process migration, even if the load is not heavy, does not degrade the overall ....
Kriton Kyrimis and Rafael Alonso. An Experimental Comparison of Initial Placement vs. Process Migration for Load Balancing Strategies. Technical Report CS-TR-199-88, Dept. of Computer Science, Princeton University, December 1988.
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