• 为什么分配一个更大缓冲呢?

    Why not allocate a bigger buffer pool instead?

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  • 每个数据库至少需要一个缓冲

    Each database requires at least one buffer pool.

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  • 空间只能使用缓冲

    A table space can only use one buffer pool.

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  • 密切关注总体缓冲命中率

    Pay close attention to your overall buffer pool hit ratio.

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  • 缓冲占用常驻区中最大部分

    Buffer pool occupies the largest part of resident portion.

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  • 联机增加缓冲大小如下

    Increase the buffer pool size online as follows.

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  • 允许发生缓冲缓存

    This allows buffer pool caching to take place.

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  • 例中我们跟踪缓冲服务组件

    In this case, we will trace only the buffer pool services component.

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  • 现在缓冲命中率显示了较好的结果

    The buffer pool hit ratio is now showing excellent results.

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  • 值得注意是对缺省缓冲大小修改

    Most notably is the change of the size of the default buffer pool.

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  • 使用缓冲集群。

    In this example, the buffer pool cluster was used.

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  • 解决这个问题可以减少缓冲大小

    To resolve this problem, reduce the size of main buffer pools.

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  • 缓冲用途为了提高数据库系统性能

    The purpose of the buffer pool is to improve database system performance.

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  • 拥有多个缓冲可以数据保存缓冲中。

    Having more than one buffer pool can preserve data in the buffers.

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  • 缓冲索引等于异步索引写。

    Buffer pool index writes is approximately equal to Asynchronous pool index page writes.

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  • 用于数据库分区缓冲表空间布局

    This is the layout for database partition groups, buffer pools and tablespaces.

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  • 增加缓冲大小

    Increase the buffer pool size.

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  • 包含索引空间缓冲控制信息

    It contains control block information for tables, indexes, table Spaces, and buffer pools.

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  • 对于64系统缓冲实际上可以任何大小

    For a 64-bit system, the buffer pool can be practically any size.

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  • 以上示例显示了98.4%良好缓冲命中率

    The above example shows a good buffer pool hit ratio of 98.4%.

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  • 然而并不意味着总是需要创建较大缓冲

    However it does not mean that you should always create large buffer pools.

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  • 设计缓冲时,您应该考虑数据库内存需求

    When you design buffer pools, you should consider the database memory requirements.

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  • 因此应提供足够缓冲空间支持索引读操作

    Thus, provide sufficient buffer pool space to support index reads.

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  • 这样可以使缓冲效率更高易于实现

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

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  • 缓冲操作

    Buffer pool manipulation.

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  • 可以根据缓冲名称分区编号其他属性进行过滤

    You can filter on buffer pool name, partition number, and other properties.

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  • 具有大型缓冲环境可能需要配置更多页面清洗器

    Environments with large buffer pools might also require more page cleaners to be configured.

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  • 如果没有创建相同缓冲那么可能修改缓冲名称

    If you do not have the same buffer pools created, then you can also change the buffer pool name.

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  • 空间只能缓冲相关联一个缓冲池用于多个表空间。

    A table space can be associated with only one buffer pool, but one buffer pool can be used for more than one table space.

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  • 这个恢复进程立即开始集中式缓冲预取自己的本地缓冲池

    This recovery process instantly begins to prefetch dirty pages from the centralized buffer pool into its own local buffer pool.

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