Abstract— Memory and swap management is an important issue in operating systems, owing to the large difference between RAM and disk access times. This paper presents a memory management layer, designed along a fully control-theoretical approach, that decouples the swap-out and swap-in activity from the events triggered by the applications’ memory access patterns. A system endowed with this layer can manage memory on a per-process basis, while at the same time avoiding the presence of swapped-out pages if RAM memory is available. Such a tunable active swap-in mechanism thus inherently avoids temporary RAM over-utilisations to slow down the system for a period significantly longer than their duration. Simulation results prove the effectiveness of the proposal, as well as the viability of its integration with existing memory managers.
Feedback-based memory management with active swap-in
TERRANEO, FEDERICO;LEVA, ALBERTO
2013-01-01
Abstract
Abstract— Memory and swap management is an important issue in operating systems, owing to the large difference between RAM and disk access times. This paper presents a memory management layer, designed along a fully control-theoretical approach, that decouples the swap-out and swap-in activity from the events triggered by the applications’ memory access patterns. A system endowed with this layer can manage memory on a per-process basis, while at the same time avoiding the presence of swapped-out pages if RAM memory is available. Such a tunable active swap-in mechanism thus inherently avoids temporary RAM over-utilisations to slow down the system for a period significantly longer than their duration. Simulation results prove the effectiveness of the proposal, as well as the viability of its integration with existing memory managers.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
