这个是很难避免的，除非索引足够小，可以加载到内存中。
This cannot easily be avoided unless the index is small enough to be loaded into RAM.
如果应用程序频繁地访问没有适当索引的小表，数据库每次都会把它们装载进内存并扫描它们。
If your application frequently accesses smaller tables without proper indexes, the database will load them into memory each time and scan them.
注意这里的显示，进程可能有一个大的地址空间，但是很少见，就是说小的地址空间的区域(页面)通过页表指向物理内存。
Note that as shown here, a process may have a large address space, but it is sparse, meaning that small regions (pages) of the address space refer to physical memory through the page tables.
然而，模型只在内存中占用了非常小的一块地方：一个手机可以加载成千上万个模型。
The models, however, take up very little space in memory: a cell phone could hold thousands of them.
比如，一段小程序可以抹去所有的内存；一条简单的指令可以使主机停止运行。
A tiny program can clear all of memory. A single instruction can stop the machine.
设计应用程序利用这些功能时，考虑两件事情：智能手机的内存以及小屏幕设计。
When you design an application to take advantage of these features, consider two things: memory on your smartphone and designing for a small screen.
分割批量更新调用，以保持生成的XML足够小，不会出现内存溢出异常。
Split up batch update calls to keep the generated XML small enough to not run into out of memory exceptions.
使用尽可能小的数据集合，避免在应用程序内消耗过多内存。
Work with small data sets as much as possible to avoid consuming excessive amount of memory within your applications.
对于该试验，我们在一个IBMPOWER 7服务器上使用了一个小分区，该服务器具有0.5个处理器、4GB的内存和20 GB的存储器。
For this experiment, we used a small partition on an IBM POWER7 server with 0.5 processor entitlement, 4 GB of memory and 20 GB of storage.
尽管提供了这么多的增强，内存使用量依然是非常小的。
Despite all these enhancements the memory footprint remains impressively small.
这个小技巧可以在程序生存期减少很多的内存抖动(memory thrashing)和垃圾收集。
This small trick can save a lot of memory thrashing and garbage collection over the lifetime of a program.
启动另一个Eclipse实例，然后在此实例上运行vadump，输出见清单14。初看上去，内存使用量的差异非常小。
Starting another instance of Eclipse and then running vadump on that instance, as shown in Listing 14, initially seems to show very little difference in memory usage.
另一个例子是，当Web服务实现能够直接使用StAX事件时，由于采用了AXIOM, Web服务所需的内存非常小。
Another example would be when a web service implementation can consume StAX events directly, because of AXIOM, the memory requirements are very low for that web service.
该小程序是一个bootloader，可以初始化附带的内存控制器，可能从某些外部源载入主程序，然后跳入主程序。
This tiny program is a bootloader that will initialize the attached memory controllers, possibly load the main program from some external source, and jump to it.
到编写本文时，小实例具有一个1 ghz核、1.7GB内存和160 GB磁盘空间。
As of this writing, a small instance had a single 1-ghz core with 1.7 GB of memory and 160 GB of disk space.
该区的尺寸相当小，可用12kb乘以共享内存通信(NETTYPEipcshm)所需的预期连接数目来计算该尺寸。
The size of this portion is pretty small and can be calculated using 12 kilobytes multiplied by the expected number of connections needed for shared-memory communications (NETTYPE ipcshm).
这让应用程序能够访问更大的内存块，而不是许多小内存块，从而提高性能。
This improves performance by allowing the application to access the memory in larger single chunks, instead of many smaller chunks.
在记忆棒增量分发数兆字节内存时，一次泄漏是微不足道的，但是连续操作数小时后，即使如此小的泄漏也会削弱应用程序。
This is tiny in a time when megabytes are given away in memory sticks as promotional items but, over hours of continuous operation, even such small losses can cripple an application.
占用空间小是非常重要的，因为大多数嵌入式系统仅具有很小的内存容量。
The small footprint is extremely important, as most embedded systems have a small amount of memory.
它的构想很简单，一个U盘装载几张小容量的内存卡。
The idea is simple. A USB Stick accommodates small capacity memory cards.
虽然连接到内存数据库会多花点时间，但代码相对要少很多，开发代价也小。
The trade-off is that connecting to an in-memory database will take little more unit test time, but there will be less code and development effort.
由于内存占用这么小，所以Derby数据库可以容易地与应用程序绑定在一起。
Given this small footprint, the Derby database can be easily bundled along with an application.
在这种情况下，那些内存容量小等于2GB的小尺寸笔记本将逐渐被仅配有256Mb或32Mb容量内存的平板电脑产品所取代，这样内存市场会呈现供过于求的局面。
In that situation, the per box GB DRAM content of the smaller size notebook of up to 2 GB was replaced by tablets that only housed 256 Mb or 1/8th the amount. Hence, DRAM oversupply.''
Wikipock可以储存和搜索大量的资料，占用内存小，搜索便捷。
Wikipock is able to store and search large amounts of data in a small amount of space and time.
在小内存的安装下，只有部分组件有效。
During a low memory install, not all components will be available.
英国兰开斯特大学的教授卡里·库珀表示：“由于在当代的办公室内存在着这么多足以令人分心的事情，所以没必要对我们的头脑经常开小差这种现象感到大惊小怪。”
Lancaster University's Prof Cary Cooper said: "With so many distractions in the modern office, it's not surprising our minds wander."
EBCOT采用的并行运算和动态内存控制(DMC)结构，在保证编码速度的前提下，最大限度减小了片内小波系数缓存量和访问频率。
The EBCOT design USES parallel processing and dynamic memory control (DMC) architecture, which greatly speeds up the coding process and achieves higher hardware utilization.
有一个颇受欢迎的解决办法是在微处理器内部放置一个叫高速缓冲内存储器的小内存。
One popular aid is to place a small memory, called a cache, right on the microprocessor itself.
由于规则推理比几何计算速度快、内存消耗小，因此推理能够提高基于空间关系的空间数据查询的速度和效率。
Since rules inferring is faster than geometry computation and requires little time, the rules are of help to improve efficiency of querying spatial data.
由于规则推理比几何计算速度快、内存消耗小，因此推理能够提高基于空间关系的空间数据查询的速度和效率。
Since rules inferring is faster than geometry computation and requires little time, the rules are of help to improve efficiency of querying spatial data.
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