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    • 53. 发明申请
    • OPTIMIZING WRITE TRAFFIC TO A DISK
    • 优化到盘的交通运输
    • US20090287890A1
    • 2009-11-19
    • US12121776
    • 2008-05-15
    • William J. Bolosky
    • William J. Bolosky
    • G06F12/00
    • G06F3/0656G06F3/061G06F3/0659G06F3/0676
    • The write optimizer described in this disclosure optimizes write traffic to a disk. The write optimization technique writes small data sets to be written to a disk drive to a log file in write optimized order and rewrites the small data sets to disk drive in read optimized order when the disk drive is idle. The write optimizer reserves a portion of a disk to be used for write performance improvement, and then takes all small writes to the disk and writes them to the reserved area rather than to their intended destination. When the disk becomes idle (or the reserved area full), the write optimizer takes the data that has been written to the reserved area and that has not been subsequently overwritten and copies it to its final location.
    • 本公开中描述的写优化器优化了对磁盘的写入流量。 写入优化技术将写入磁盘驱动器的小数据集以写入优化顺序写入日志文件,并在磁盘驱动器空闲时以读取优化顺序将小数据集重写为磁盘驱动器。 写优化器保留用于写性能改进的一部分磁盘,然后对磁盘进行所有小写操作,并将其写入保留区而不是其预期目的地。 当磁盘空闲(或保留区域已满)时,写入优化器将已经写入保留区域的数据,并且未被覆盖,并将其复制到其最终位置。