| Wang AIA, Kuenning GH, Reiher P, Popek GJ. Conquest: Better Performance Through a Disk/Persistent-RAM Hybrid File System. Proceedings of the USENIX Annual Technical Conference, June 2002. |
....diskless units such as battery powered PDAs. Wu proposed eNVy [14] a memory based file system, but it still takes advantage of disk, treating it as a rescue in case of metadata overflow or to protect against memory failures. Conquest, a disk persistent RAM hybrid file system presented by Wang [13] uses nonvolatile RAM as a final storage destination for metadata and files smaller than a set threshold (currently 1 MB) including executables and shared libraries. A fixed threshold, however, may cause this file system to be less adaptive to the changes in memory technology. Conquest also ....
A. A. Wang, G. H. Kuenning, P. Reiher, and G. J. Popek. Conquest: Better Performance Through a Disk/Persistent-RAM Hybrid File System. Proceedings of the 1st USENIX Conference on File and Storage Technologies (FAST), Monterey, January 2002.
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Wang AIA, Kuenning GH, Reiher P, Popek GJ. Conquest: Better Performance Through a Disk/Persistent-RAM Hybrid File System. Proceedings of the USENIX Annual Technical Conference, June 2002.
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A.-I. A. Wang, G. H. Kuenning, P. Reiher, and G. J. Popek. Conquest: Better performance through a disk/persistent-RAM hybrid file system. In Proceedings of the 2002.
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A.-I. A. Wang, P. Reiher, G. J. Popek, and G. H. Kuenning. Conquest: better performance through a disk/persistent-RAM hybrid file system. In The Proceedings of the USENIX Annual Technical Conference (USENIX '02), pages 15--28, Monterey, CA, June 2002.
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A.-I. A. Wang, G. H. Kuenning, P. Reiher, and G. J. Popek. Conquest: Better performance through a disk/persistent-RAM hybrid file system. In Proceedings of the 2002.
....not excessive. Finally, to illustrate the potential of SDS s, we have implemented a number of case studies within our SDS framework: file aware caching within the disk as an effective second level cache [36] meta data storage within a non volatile RAM disk cache for performance and reliability [23, 32], aligning files with track boundaries to increase the performance of small file operations [29] a secure deleting disk system to ensure non recoverability of data [16] and journaling within the storage system to speed crash recovery [17] Through these case studies, we demonstrate that a broad ....
....directories. This experiment took place on the IBM 9LZX running NetBSD. NVRAM SDS can use knowledge of the file system to store meta data and some file data in memory, improving the access time of meta data intensive workloads while preserving file system reliability. In contrast to the Conquest [32] and Hermes file systems [23] which both stipulate large changes to the file system to exploit non volatile memory, no changes to the file system are needed in the semantically smart disk system approach. The NVRAM SDS keeps all meta data (bitmaps, inodes, indirect blocks, and directories) in ....
A.-I. A. Wang, P. Reiher, G. J. Popek, and G. H. Kuenning. Conquest: Better Performance Through a Disk/Persistent-RAM Hybrid File System. In The Proceedings of the USENIX Annual Technical Conference (USENIX '02), Monterey, CA, June 2002.
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