Software

A Generalized Approach for Fault Tolerance and Load Based Scheduling of Threads in Alchemi .Net

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Executive Summary

Computational grids can be best utilized by the divide and conquer approach, when it comes to executing a large process. In order to achieve this, building multithreaded application is one of the efficient approaches. The threads are scheduled on different computational nodes for execution. One of the frameworks that support multithreaded applications is Alchemi, but it does not incorporate any load based scheduling and fault tolerance strategy. In Alchemi, a manager node uses First Come First Serve (FCFS) scheduling to schedule threads on executors (node that execute independent thread), but it does not consider any CPU load on which the executors are running. Moreover, if an executor fails in between, then the manager node reschedules the thread on other executor node.

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