RAF: A Random Access First Cache Management to Improve SSD-Based Disk Cache

作者: Yang Liu , Jianzhong Huang , Changsheng Xie , Qiang Cao

DOI: 10.1109/NAS.2010.9

关键词:

摘要: Offering better performance for random access compared to conventional hard disks and providing larger capacity and lower cost than DRAM, NAND flash based SSDsare integrated in server storage hierarchy as a second tier of disk cache between DRAM and disks for caching more data from disks to meet the increasingly intensive I/O demands. Unfortunately, available hybrid storage architectures cannot fully exploit SSDs' potentials due to absorbing too much workload of disk tier, which results in excessive wear and performance …

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