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Model-Based Deadtime Compensation of Virtual Machine Startup Times

Scaling the amount of resources allocated to an application according to the actual load is a challenging problem in cloud computing. The emergence of autoscaling techniques allows for autonomous decisions to be taken when to acquire or release resources. The actuation of these decisions is however affected by time delays. Therefore, it becomes critical for the autoscaler to account for this pheno

Efficient Java™ monitors

In most real world systems, objects vastly out- numbers threads. This paper shows how this characteristic can be used to implement eficient JavaTMmonitors in a way that reduces the num- ber of needed monitors to be equal to the number of threads, while fulfilling the Java™synchronized semantics. Some additional benefits related to prior- ity inheritance and hierarchical resource locking will also