extents
英 [ɪksˈtɛnts]
美 [ɪkˈstɛnts]
n. 程度; 限度; 大小; 面积; 范围
extent的复数
双语例句
- Ideally there is a large enough contiguous block of storage to cover all the extents in the partition.
理想情况下,存在一个足够大的连续存储块来涵盖分区中的全部区段。 - Given this behaviour ensure that there are a reasonable number of secondary extents.
此行为可确保有合理数量的次扩展。 - This indicates that the sales table contains three extents.
这指出了销售表包含三个区段。 - For maximum efficiency, frequently accessed tables should have as few extents as possible.
为达到效率最大化,频繁访问的表区段应当越少越好。 - Extents are a collection of eight physically contiguous pages and are used to efficiently manage the pages.
区是八个物理上连续的页的集合,用来有效地管理页。 - Use oncheck-pt to check on the number of partition extents after defragmentation.
可在碎片整理完成后,利用oncheck-pt来检查分区区段的数量。 - The following illustration shows the sequence of pages used by the database engine to allocate and manage extents.
下图显示了数据库引擎用来分配和管理区的页顺序。 - Although you can allocate additional extents, the blocks themselves are allocated separately.
尽管你可以进行额外的扩展,但是块本身是被隔开分派的。 - Ext4 replaces ext3's mechanism with extents to improve allocation and support a more efficient storage structure.
ext4使用区段取代ext3的机制,从而改善了空间的分配,并且支持更加高效的存储结构。 - There are two problems with tables that have lots of extents, or at least there used to be.
那些有很多盘区、或者至少曾经有过的表,存在两个问题。