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Proceedings of the Second International Symposium on Memory Systems - MEMSYS '16 - Nswap2L by Newhall, Tia; Lehman-Borer, E. Ryerson; Marks, Benjamin is a scholarly article available to read on EtoBox.

What is Proceedings of the Second International Symposium on Memory Systems - MEMSYS '16 - Nswap2L about?

To support data intensive cluster computing, it is increasingly important that node virtual memory (VM) systems make effective use of available fast storage devices for swap or temporary file space. Nswap2L is a novel system that transparently manages a heterogeneous set of storage options commonly found in clusters, including node RAM, disk, flash SSD, PCM, or network storage devices. Nswap2L implements a two-level device driver interface. At the top level, it appears to node operating systems (OSs) as a single, fast, random access device that can be added as a swap partition on cluster nodes. It transparently manages the underlying heterogeneous storage devices, including its own implementation of Network RAM, to which swapped out data are stored. It implements data placement, migration, and prefetching policies that choose which underlying physical devices store swapped-out page data. Its policies incorporate information about device capacity, system load, and the strengths of different physical storage media. By moving device-specific knowledge into Nswap2L, VM policies in the OS can be based solely on typical application access patterns and not on characteristics of underlying

Author

Newhall, Tia; Lehman-Borer, E. Ryerson; Marks, Benjamin

Publisher

ACM Press

Published

2016

Language

EN