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缓冲池

n.buffer pool; cushion tank
网络Pooling; IBMDEFAULTBP; Cache

缓冲池

英-汉网络释义

缓冲池

buffer pool

缓冲池（Buffer Pool）是内存中的一块区域，用于临时读入和更新数据库页（包含表行或者索引项）。在计算机领域有一个著 …

Pooling

答：采用缓冲池(Pooling)方法：对多个检索系统的Top N个结果组成的集合进行标注，标注出的相关文档集合作为整个相关文档 …

IBMDEFAULTBP

如果没有指定，默认的缓冲池(IBMDEFAULTBP)将被使用。缓冲池的的页大小必须和表空间的页大小一样。

Cache

制实际上相当于一个内存分配的缓冲池(Cache)，使用这套机制有如下若干原因： 1. 系统调用可能不支持任意大小的内存分配。

literal pool

用于声明一个数据缓冲池（literal pool）的开始通常ARM汇编编译器把数据缓冲池放在代码段的最后面，即下一个代码段开始之 …

buffer tank

环保 - 豆丁网 ... 缓冲衬层 breaker，snubber 缓冲池 buffer tank 缓冲器 buffer ...

例句：

Having said that, however , we were still able to see some benefits by increasing the buffer pool .

尽管如此，增加缓冲池还是有一些好处的。

Buffer pool usually makes up the largest percentage of shared memory and is often pointed to as an area to be tuned .

缓冲池通常占了共享内存的大部分，因此通常可以调整这个配置。

As a rule of thumb, you can increase the size of the buffer pools as long as you get a corresponding increase of the bufferpool hit ratio .

首要原则是，只要能够获取一个对应的缓冲池命中率增加，就可以增加缓冲池的大小。

The BUFFERPOOLID is shown in the query in Listing 8 , enabling you to see which buffer pool is associated with each table space .

清单 8 中的查询中包括 BUFFERPOOLID ，通过它可以查看每个表空间与哪个缓冲池相关联。

This should make such pooling much more efficient and easy to implement .

这样可以使缓冲池效率更高，更易于实现。

Data in these bufferpools doesn't need to be read from disk when referred to, but can be taken directly from these memory buffers .

这些缓冲池中的数据在被引用时不需要从磁盘读取，而是可以直接从这些内存缓冲区提取。

Since the buffer pool is capable of using foreign pages , remote memory will be utilized if there not enough memory on the remaining nodes .

因为缓冲池可以使用外部页，所以当剩余节点上的内存不足时，可使用远程内存。

Verify that at least one of your buffer pools has 8 Kb pages .

验证至少有一个缓冲池有 8Kb 页。

To understand how pages of memory from the buffer cache are assigned when using NUMA, see Growing and Shrinking the Buffer Pool Under NUMA.

若要了解使用 NUMA 时如何分配缓冲区高速缓存中的内存页，请参阅使用 NUMA 扩展和收缩缓冲池。

Essentially , it is possible to define a buffer pool with a maximum size of 64GB.

实际上，可以定义最大 64GB 的缓冲池。

For a database that has table spaces of more than one page size, additional buffer pools with matching page sizes need to be created .

对于具有大于一个页面大小的表空间的数据库而言，需要创建具有匹配页面大小的附加缓冲池。

If there are table spaces with different page sizes, there must be at least one buffer pool per page size .

如果有一些具有不同页大小的表空间，那么每种页大小必须至少有一个缓冲池。

For for a large OLTP database , set aside as much as memory as possible for the buffer pool while keeping the system stable .

对于大型 OLTP 数据库，在保持系统稳定的同时为缓冲池留出尽可能多的内存。

Due to the different internal storage model and the potentially huge objects (up to 2GB), no buffer pool is involved here .

由于不同的内部存储模型和潜在的巨大对象（大到 2GB ），这里没有缓冲池。

As noted earlier , the flow of reads under normal circumstances is to read into the file cache and then copy into the bufferpool .

如前所述，一般情况下，读操作的流程是先将数据读到文件缓存中，然后再复制到缓冲池。

Memory impacts the number of client connections and the size of the buffer pool and database cache allocated by the server .

内存影响客户端连接的数量、缓冲池的大小，以及服务器分配的数据库缓存的大小。

Mapping between the application buffer pool and AWE-mapped memory is handled through manipulation of the Windows virtual memory tables .

应用程序缓冲池和 AWE 映射内存之间的映射通过操作 Windows 虚拟内存表来完成。

Eliminating system caching allows more memory to be available to the database so that the buffer pool or sort heap can be increased .

消除系统缓存将允许更多内存对数据库可用，以便可以增加缓冲池或排序堆。

Value is zero , then there is no upper limit to the number of buffers that can be in a small buffer pool.

值为零，则可以位于小缓冲池中的缓冲区数没有上限。

缓冲池

缓冲池