extents

英 [ɪksˈtɛnts]

美 [ɪkˈstɛnts]

n.  程度; 限度; 大小; 面积; 范围
extent的复数

计算机

双语例句

• Behind the scenes, the LVM system allocates storage in equal-sized "chunks", called extents.
  在幕后，LVM系统以大小相等的“块”（称为“范围”）为单位分配存储量。
• Modify the entry for LogPrimaryFiles to the required value to change the number of primary extents.
  将LogPrimaryFiles条目修改为所需的值，以更改主扩展的数量。
• Three extents can be seen in this table.
  可以看到，该表中有三个区段。
• Subsidies are used to varying extents in both market economies and in command economies.
  在市场经济和指令性经济中都存在不同范围的补贴。
• Secondary log file extents are allocated dynamically by the queue manager when the primary files are exhausted.
  次日志文件扩展由队列管理器在主文件耗尽的情况下动态分配。
• When using linear logging on the other hand log file extents will be continually allocated as required.
  另一方面，使用线性日志记录时，将根据需要继续分配日志文件扩展。
• 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。
• These include pages allocations from both mixed extents and uniform extents.
  这些页包括从混合区和统一区中分配的页。
• The second problem, of course, is that a table or an index with many highly active extents will suffer from performance degradation due to increased disk head movement and increased contention for head positioning with other objects in the database.
  当然，第二个问题是，有很多高度活跃的盘区的一个表或索引将遭遇性能降低，因为磁头移动的增加和磁头与数据库中其他对象的位置争用的增加。
• If tables have too many extents, it is very likely that those extents are interleaved.
  如果表拥有太多区段，那些区段就很可能是交错的。