它会产生一个文件映射，如列表16所示。
This produces a context mapping, like that shown in Listing 16.
元数据说明DataNode的文件映射。
特别是，它可以将这个文件映射到进程自己的地址空间中。
In particular, it is possible to map the file into the process address space itself.
还可以把文件映射到内存，这是加快数据访问的理想解决方案。
You can map files into memory, as well-an ideal solution for accelerating data access.
而是，创建一个文件映射，这个映射导致I/O内存分页读取驱动代码和数据。
Instead, it creates a file mapping that causes the driver code and data to be fetched by paging I/O.
数据库实体采用磁盘文件映射的内存管理机制，以改进ORB方式进行网络分布；
The entity of the database adopts the map-called method in which the file system object can be mapped into the virtual memory directly and distributed in the improved ORB architecture.
msync()：用来让共享内存段与文件系统同步 —当把文件映射到内存时，这种技术有用。
msync(): Used to synchronize a shared memory segment with the file system—a technique useful when mapping a file into memory.
文本段同样会将二进制文件映射到内存，但文件映射区域的写入操作只能以程序收到段错误而告终。
The text segment also maps your binary file in memory, but writes to this area earn your program a Segmentation Fault.
为了简单，我们将展示其中一个方法：通过XML文件映射，映射文件需要被编译成程序集的嵌入式资源。
To keep things simple, we are going to show one way of mapping in this article: we will map to XML files that are compiled as resources of an assembly.
在这里会发现两个类，即Customer和Account，它们用Hibernate映射文件映射到两个表。
Here you will find two classes, namely Customer and Account, which are mapped to two tables using Hibernate mapping files.
这里的WSDL文件映射到了在识别细粒度任务 部分引入的items2BProducedbean 中。
The WSDL file here maps to the items2BProduced bean introduced in Identifying fine-grained tasks.
内存映射被用于将映像和数据文件映射到一个进程的虚拟地址空间中，也就是将文件内容直接地连接到虚地址中。
Memory mapping is used to map image and data files into a processes address space. In memory mapping, the contents of a file are linked directly into the virtual address space of a process.
因为Ceph客户实现CRUSH，而且对磁盘上的文件映射块一无所知，下面的存储设备就能安全地管理对象到块的映射。
Because the Ceph clients implement CRUSH and do not have knowledge of the block mapping of files on the disks, the underlying storage devices can safely manage the mapping of objects to blocks.
程序的文本和数据段现在需要写入到mem文件中，这可以使用write系统调用，或者通过将该文件映射到该进程的地址空间中实现。
The program text and data segments now need to get written into the mem file, either using the write system call, or by mapping the file into the process address space.
将两个OracleJAR文件映射到ServiceRegistry应用程序，如图31和图32 中所示。
Map the two Oracle JAR files to the ServiceRegistry application as shown in Figures 31 and 32.
如果有一个入口没有定义，比如Rank栏目中的10(图15)，您将不能输入一个映射到ClearQues t概要文件映射中的中的入口。
If a portlet is undefined, such as 10 in the Rank column (Figure 15), you will not be able to input a mapping to that portlet in the ClearQuest profile mapping.
这些归档文件使用标准的目录命名模式，并且只接受某些文件，例如 web.xml（该文件映射servlet名称和其它配置方面），放置在WEB-INF 目录中。
These archives use a standard directory naming scheme and expect certain files, such as web.xml (which maps servlet names and other configuration aspects), to reside in the WEB-INF directory.
AAA信息文件不仅可用于身份映射，还可以用于身份验证和授权。
AAA information file can be used not only for identity mapping but also for authentication and authorization.
所以，必须指定要映射文件的哪部分。
选择要导入的安全文件之后，映射角色。
保存映射文件。
清单5给出最基本的映射文件。
标识映射使用属性文件来确定映射的用户标识。
The identity mapping uses a properties file to determine the mapped user identity.
来自一个文件的映射需要在另一个文件中复制。
A mapping from one file needs to be duplicated in another file.
加载自定义url映射文件中定义的参数值映射。
Load the parameter value mappings defined in the customized URL mapping file.
在屏蔽数据以及将数据转化为CSV文件时，这些映射文件将会得到引用。
These map files are referred to when masking the data and when converting the data to a CSV file.
此外，还检索每个文件的映射，并保存到到其文件句柄中。
Furthermore, it retrieves and retains the mappings for every file to its file handle.
上面的映射文件很容易理解。
块存储布局将文件块映射到物理存储块。
The block storage layout maps the file blocks to physical storage blocks.
在这个小节中，您首先要创建映射源文件，它是您的映射的占位符；然后要在这个映射源文件中创建可执行映射。
In this section, you will create first the map source file, which is the placeholder for your maps, and then the executable map in the map source file.
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