与最新的高档SSD动辄将近300MB/s的连续读(Sequential Read), 将近200MB/s的连续写(Sequential Write)相比,这款Z-P230按照网上搜到的Intel文档所说只有38MB/s的稳定连续读,10MB/s的稳定...
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为了包管预读掷中率,linux只对 挨次读 ( sequential read )举行预读内核路程经过过程证验如次两个前提来鉴定1个read()是不是 挨次读 : 这是文件被打开后的熬头次读,而且读的是文件首部;
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db file sequential read 数据文件顺序读取 ; 确定需要什么资源 ; 顺序读 ; 数据文件顺序读
Sequential Read Speed 连续读取速度
log file sequential read 日志文件顺序读等待
Like the previous optimizations, this optimization collects related data on the disk to optimize for sequential Read optimization.
与前面其他优化一样,这个优化在磁盘上收集相关的数据,以实现相邻读优化。
DB2 row compression features can decrease disk storage requirements while at the same time improve sequential read access of large queries which perform full table scans.
DB 2行压缩功能可以减少磁盘存储需求,同时改进执行全表扫描的大量查询的顺序读取访问。
Some important JFS2-specific file system performance enhancements include sequential page read ahead and sequential and random write behind.
一些重要的、JFS2特定的文件系统的性能增强功能包括,提前顺序页面读取和延迟顺序、随机写入。
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