PatentTips - Solid State Disk (SSD) Device】的更多相关文章

BACKGROUND OF THE INVENTION A SSD apparatus is a large-capacity data storage device using a nonvolatile semiconductor memory such as a NAND flash memory. The SSDapparatus has an interface which is the same as a magnetic recording hard disk drive (HDD…
BACKGROUND OF THE INVENTION Solid-state memory devices encompass rewritable non-volatile memory devices which may use electronic circuitry for storing data. Currently, solid-state memory devices start replacing conventional storage devices such as ha…
研究将固态硬盘作为持久存储层和传统硬盘的在数据库性能上的研究…
A method for garbage collection in a solid state drive (SSD) includes determining whether the SSD is idle by a garbage collection module of the SSD; based on determining that the SSD is idle, determining a victim block from a plurality of memory bloc…
这周我看了<Inside Solid State Device>一书,了解了解SSD作为软件的补充. 固态硬盘区别于将数据以磁形式存储的机械硬盘,使用了一种名为NAND的闪存颗粒,以电信号的形式存储数据.存储介质利用半导体的特性,以高低电平来标记数据的类型.NAND颗粒又以最小存储单元的堆叠形式不同而分为SLC(single-level cell)颗粒.MLC (multi-level cell)颗粒和TLC(triple-level cell)颗粒.单个slc存储单元有0和1两种充电值,(高…
A mechanism is provided in a data processing system for reliable asynchronous solid-state device based de-duplication. Responsive to receiving a write request to write data to the file system, the mechanism sends the write request to the file system,…
固态硬盘(Solid State Drives) 学习了:https://baike.baidu.com/item/%E5%9B%BA%E6%80%81%E7%A1%AC%E7%9B%98/453510?fr=aladdin 一般它擦写次数普遍为3000次左右,以常用的64G为例,在SSD的平衡写入机理下,可擦写的总数据量为64G X 3000 = 192000G,假如你是个变态视频王每天喜欢下载视频看完就删每天下载100G的话,可用天数为192000 / 100 = 1920,也就是 1920…
BACKGROUND The present disclosure relates generally to information processing systems and, more specifically, to a mechanism that maintains the architectural state values for both active and inactive software threads that may be executed on a process…
                                           ssd可以用作redo 盘吗? 1.ssd有写磨损,而且ssd的写性能也不是非常好,ssd只是随机读特别好,因为 不需要寻道吧.并且ssd比较容易损坏 2.做index表空间和临时表空间是个不错的选择 3.ssd硬盘可擦写的次数目前来说不是很理想 4.SSD的写寿命本来就短,再加上严重的写惩罚,事务繁忙的系统,不用多久 SSD盘就废了. redo的安全性才是第一位的考虑 5.写的话,没那么理想,因为阵列的话,首…
#Nginx所用用户和组,window下不指定 #user nobody; #工作的子进程数量(通常等于CPU数量或者2倍于CPU) worker_processes 2; #错误日志存放路径 #error_log logs/error.log; #error_log logs/error.log notice; error_log logs/error.log info; #指定pid存放文件 pid logs/nginx.pid; #master_process off; # 简化调试 此指…