The db2fopt command tells the optimizer to use the specified value for "buffer pool size," rather than adding up the pages of the buffer pools available.
db 2 fopt命令告诉优化器为“缓冲池大小(Buffer pool size)”使用指定的值，而非将可用缓冲池变量的页面加起来。
If the pool size is not tuned correctly, many unused object instances can end up hanging around, using up memory without contributing value.
如果对象池大小没有正确调优，许多未使用的对象实例最终会被闲置，耗尽内存而不产生任何价值。
ZFS implements variable block sizes for a variety of uses (commonly up to 128KB in size, but you can change this value).
ZFS为各种不同的使用实现了可变块大小（通常大小达到 128KB，但是您可以变更此值）。
The size of the field tells us how many characters or Numbers can be used in stating its value, while the type describe whether the field is made up of alphabetic, numeric, or special characters.
这个尺寸的现场告诉我们多少字符或数字可用于说明它的价值，而这个字段类型的描述是否由字母、数字或一些特殊字符。
The size of the field tells us how many characters or Numbers can be used in stating its value, while the type describe whether the field is made up of alphabetic, numeric, or special characters.
这个尺寸的现场告诉我们多少字符或数字可用于说明它的价值，而这个字段类型的描述是否由字母、数字或一些特殊字符。
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