Solid-state Cache
نویسندگان
چکیده
منابع مشابه
Integrating SSD Caching into Database Systems
Flash-based solid state storage devices (SSDs) are now becoming commonplace in server environments. In this paper, we consider the use of SSDs as a persistent second-tier cache for database systems. We argue that it is desirable to change the behavior of the database system’s buffer cache when a second-tier SSD cache is used, so that the buffer cache is aware of which pages are in the SSD cache...
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Hybrid storage systems that consist of flash-based solid state drives (SSDs) and traditional disks are now widely used. In hybrid storage systems, there exists a two-level cache hierarchy that regard dynamic random access memory (DRAM) as the first level cache and SSD as the second level cache for disk storage. However, this two-level cache hierarchy typically uses independent cache replacement...
متن کاملSolid-State Cache Management
Solid-state drives (SSDs) composed of multiple flash memory chips are often deployed as a cache in front of a cheap and slow disks [5, 2, 7]. This provides the performance of flash with the cost of disk for large data sets, and is actively used by Facebook and others to provide low-latency access to petabytes of data [3]. An SSD-backed cache, though, is limited by its narrow block interface and...
متن کاملEfficient Use of Low Cost SSDs for Cost Effective Solid State Caches
Conventional Hard Disk Drives (HDDs) and emerging Solid State Drives (SSDs) each has strengths and limitations in terms of latency, price, and lifetime. To mitigate the limitations and amplify their advantages, the Solid State Cache (SSCs), which use flash based SSD as a data cache, have been introduced in previous studies [4, 5]. These studies have focused only on improving the performance and...
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For many primary storage customers, storage must balance the requirements for large capacity, high performance, and low cost. A well studied technique is to place a solid state drive (SSD) cache in front of hard disk drive (HDD) storage, which can achieve much of the performance benefit of SSDs and the cost per gigabyte efficiency of HDDs. To further lower the cost of SSD caches and increase ef...
متن کاملSSD Bufferpool Extensions for Database Systems
High-end solid state disks (SSDs) provide much faster access to data compared to conventional hard disk drives. We present a technique for using solid-state storage as a caching layer between RAM and hard disks in database management systems. By caching data that is accessed frequently, disk I/O is reduced. For random I/O, the potential performance gains are particularly significant. Our system...
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