最值得注意的改进是扩展属性(或文件元数据)的引入。
Most notable improvement is introduction of extended attributes, or file metadata.
现在需要处理debian包文件元数据。
注意，这里定义的名称是在域配置文件元数据中定义过的名称。
Note that the name defined here is the name you defined in your domain configuration file metadata.
使用LocalEnvironment变量中的文件元数据。
还要注意，文件元数据存储需求通常仅占总体存储需求的一小部分。
Also note that file metadata needs are usually a small fraction of overall storage needs.
本文提出服务端驱动的无锁元数据操作来改进文件元数据操作的扩展性。
In this paper we suppose the server-driven lock-less metadata operations to improve the scalability of file metadata operations.
LocalEnvironment树用于存储和传播输入文件元数据。
The Local Environment tree is used for storing and propagating input file metadata.
默认的同步并不复制文件元数据，而且像对待普通文件那样对待某些特殊文件(比如链接)。
The default synchronization does not copy the file metadata, and treats certain special files (like links) as if they were normal files. The main options you want to use are.
对于任何对文件元数据产生修改的操作，Namenode都使用一个称为Editlog的事务日志记录下来。
The NameNode uses a transaction log called the EditLog to persistently record every change that occurs to file system metadata.
最后，安装更多内存让文件系统可以把文件和元数据缓存在内存中。
Finally, having extra memory on hand allows the file systems to cache files and metadata in memory.
一旦系统发生崩溃，日志文件就会起到一个检查点的作用，用于恢复未保存的信息，防止损坏文件系统元数据。
If a crash occurs, the journal can be used as a checkpoint to recover unsaved information and avoid corrupting file system metadata.
使用GPFSpagepool 可以缓存用户数据和文件系统元数据。
Use GPFS pagepool to cache user data and file system metadata.
Ceph使用一个有趣的备选，而不是依赖分配列表(将磁盘上的块映射到指定文件的元数据)。
Rather than rely on allocation lists (metadata to map blocks on a disk to a given file), Ceph USES an interesting alternative.
您可以修改映射元数据文件(本技巧没有详述映射元数据文件的细节)。
You could modify the mapping metadata file (this tip does not go into details on the mapping metadata file).
如果代码发生变化，那么就可能需要修改元数据，并且采用配置文件的方式表示元数据，您必须记得要找出单独的配置文件并修改它。
If the code changes, the metadata may need to be modified, and with a configuration file approach to metadata, you have to remember to go to the separate configuration file and modify it.
普通的元数据集包括文件名、作者、创建时间和更新时间；不过，对于某些情况，普通的元数据集不足以描述文件的属性。
The common set of metadata includes file name, author, created time, and updated time; however, in some cases, the common metadata is not sufficient to describe the file properties.
除了使我能够检索有关该RSS文件的元数据以外，它还提供了从存储中除去该信息的便利方法。
Besides enabling me to retrieve metadata about the RSS file, it provides a handy way to remove that information from the store.
创建描述命令元数据的命令定义文件。
Create a command definition file that describes the command metadata.
在提供者Jar文件打包后，它包含了所有需要的信息(二进制文件和元数据文件)，并可被加入开发工具或运行时系统。
After a provider JAR file is packaged, it includes all necessary information (both binaries and metadata file) and is ready to be used by both the tools and the run time system.
框架查询两个元数据源：活动记录模型和每个模型对象的定制元数据文件。
The framework queries two sources of metadata: the Active Record model and a custom metadata file for each model object.
因为从未给这些文件分配任何块，所以，也就不必释放任何块，甚至根本没有触及底层文件系统元数据。
Since no blocks are ever allocated, there's no need to deallocate any blocks, and the underlying filesystem metadata doesn't even get touched.
如果想向文件增加一些隐藏的元数据，而不必修改文件内容，这就很有用了。
This can be useful if you want to add some hidden metadata to a file without altering the file's content.
多亏了日志，数百G的文件系统元数据几乎能在瞬间恢复到一致性的状态。
Thanks to the journal, hundreds of Gigabytes of filesystem meta-data can be brought to a consistent state almost instantaneously.
不管是创建一个目录或文件，删除一个文件，或者是写入一个文件，元数据缓存器都要更新。
Whenever a new directory or file is created, a file is deleted, or whenever a file is written to, the metadata cache is updated.
HEAD请求会返回空的HTTP消息体，但是会返回所请求文件的元数据信息(如，大小等)。
The HEAD request returns no HTTP message body but rather the request file's meta-information (size, etc.).
它使用原始类的自身来代替映射元数据文件。
It USES introspection of the original classes in place of a mapping meta-data file.
事件的扩展和MDM数据在rfidic元数据文件中定义。
The extensions for events and MDM data are defined in the RFIDIC meta data file.
事件的扩展和MDM数据在rfidic元数据文件中定义。
The extensions for events and MDM data are defined in the RFIDIC meta data file.
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