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    • 100. 发明申请
    • PRE-CACHE SIMILARITY-BASED DELTA COMPRESSION FOR USE IN A DATA STORAGE SYSTEM
    • 用于数据存储系统的基于预缓存相似性的三角压缩
    • WO2012109145A2
    • 2012-08-16
    • PCT/US2012/023972
    • 2012-02-06
    • VELOBIT, INC.YANG, QingBEN, Jin
    • YANG, QingBEN, Jin
    • G06F12/00G06F13/14
    • G06F12/0875G06F3/0608G06F3/064G06F3/0685G06F12/0866G06F2212/401H03M7/3093
    • A data storage caching architecture supports using native local memory such as host-based RAM, and if available, Solid State Disk (SSD) memory for storing pre-cache delta-compression based delta, reference, and independent data by exploiting content locality, temporal locality, and spatial locality of data accesses to primary ( e.g. disk-based) storage. The architecture makes excellent use of the physical properties of the different types of memory available (fast r/w RAM, low cost fast read SSD, etc) by applying algorithms to determine what types of data to store in each type of memory. Algorithms include similarity detection, delta compression, least popularly used cache management, conservative insertion and promotion cache replacement, and the like.
    • 数据存储缓存体系结构支持使用本地本地内存(如基于主机的RAM)(如果可用),用于存储预缓存增量压缩的增量,参考和固件状态磁盘(SSD)内存 通过利用对基本(例如基于磁盘的)存储的数据访问的内容局部性,时间局部性和空间局部性来实现独立数据。 该架构通过应用算法来确定在每种类型的存储器中存储哪些类型的数据,可以非常好地利用不同类型的可用存储器(快速r / w RAM,低成本快速读取SSD等)的物理属性。 算法包括相似性检测,增量压缩,最不常用的高速缓存管理,保守插入和升级高速缓存替换等。