However, copying collectors have the added cost of copying the data from one space to another, adjusting all references to point to the new copy.
不过，复制收集器因为要将数据从一个空间复制到另一个空间、调整所有引用以指向新备份而增加了成本。
Even then, it still includes the database protocol overhead and memory copy from the server space to the application space.
即便如此，它仍然包括数据库协议开销，以及从服务器空间到应用程序空间的内存复制。
Fundamentally, any time your program reads or copies data into a buffer, it needs to check that there's enough space before making the copy.
从根本上讲，在程序将数据读入或复制到缓冲区中的任何时候，它需要在复制之前检查是否有足够的空间。
It provides a continuous reorganization of a table without the excess disk space associated with the traditional "shadow" copy approach.
它提供持续的表重组，并且不需要传统的影子复制方法所需的额外磁盘空间。
However if space allows, a copy of the filesystem where the application resides can also be carried out.
但是如果空间允许，也可以复制应用程序所在的文件系统。
This big vertical space allows all members room to "storm" at the same time, but you might have to copy down the results onto paper later.
这个很大的垂直空间，允许房间里的所有人一起“风暴”，但是你可能需要将黑板上的东西再挪到纸上去。
When an attached file is large and a message containing it is broadcast to thousands of users, creating a separate copy of the message for each recipient could require several gigabytes of disk space.
当附加文件较大，并且需要将包含该文件的消息传播给数千个用户时，如果为每个收件人创建单独的消息副本，那么需要数GB的磁盘空间。
As a copy from user space, this function first checks that the buffer is readable via access_ok.
由于从用户空间复制，该函数首先使用access_ok检查缓冲区是否可读。
Rather than waste the disk space, Linux builds these applications to use a single system-wide copy of the commonly required system libraries.
Linux构建这些应用程序，以使用通常所需的系统库的单个系统级副本，而不浪费磁盘空间。
The first copy is performed by the DMA engine, which reads file contents from the disk and stores them into a kernel address space buffer.
DMA模块从磁盘中读取文件内容，并将其存储在内核空间的缓冲区内，完成了第1次复制。
A minor collection will copy live objects from Eden and one of the survivor semi-spaces into the other survivor space, potentially promoting some objects to the older generation.
小的收集将活的对象从Eden和一个生存半空间复制到另一个生存半空间，并可能提升一些对象到老的代。
This approach is also space efficient, because no copy is required (unless all data in the file system is rewritten).
这种方法也是空间有效的，因为无需复制(除非重新写入文件系统中的所有数据)。
The first copy (see Figure 1) is performed by the direct memory access (DMA) engine, which reads file contents from the disk and stores them into a kernel address space buffer.
直接内存存取(direct memory access,DMA)引擎执行了第一次拷贝(参见图1)，它从磁盘中读取文件内容，然后将它们存储到一个内核地址空间缓存区中。
Index space that is enabled for copy.
为COPY启用的索引空间。
To copy the contents of a file system to a new location without creating a temporary mount point, you must first have the space to hold all of the files from your source directory.
要将文件系统的内容复制到新的位置，而无需创建临时装入点，您必须首先拥有足够容纳源目录中所有文件的空间。
Some keep a copy of the data in all applications — both memory and swap space.
有些变体保留所有应用程序中的数据副本——同时包括内存和交换空间中的应用程序。
That is fitting, for it is a copy of a Soviet-era work celebrating the achievements of Yuri Alekseyevich Gagarin, the Soviet cosmonaut who in 1961 became the first human being to travel into space.
没错，因为它就是前苏联纪念尤里·加加林的雕像的复制品。尤里·加加林，苏联宇航员，1961年成为进入外太空的第一人。
It would be better to read a line into a temporary buffer and then copy this to user space in one go.
比较好的方法是读取一行到临时缓冲区，然后将这一行一次性拷贝到用户空间。
A third copy is performed to put the data into a kernel address space buffer again.
数据从用户空间缓冲区被再次复制到内核空间缓冲区，完成了第3次复制。
When we want to pass a large object as an argument. The time and space costs to copy the object are often too high for real-world applications.
当需要以大型对象作为实参传递时。对实际的应用而言，复制对象所付出的时间和存储空间代价往往过在。
I'll now describe a set of core functions that you can use from kernel space to copy, manipulate, and overwrite the data stored in user space.
下面我将描述一组核心函数，可以在内核空间使用它们来复制，操作，重写存储在用户空间的数据。
Pass-by-copy semantics for mutable serializable objects when running in a single address space.
在单一地址空间中运行时，易变的可序列化对象的Pass - by - copy语义。
So if for example you want to store some movies from your holiday or mp3 files, it will at least double the space required for the files (one for the actual file and one copy in the.git directory).
例如，假如您想要储存在度假时拍摄的某些短片，又或者是mp3文件，那么在储存时所需空间至少要翻一番(一半空间用于实际储存的文件，另一半用于。git目录。)
Also, zero-copy operations reduce the number of time-consuming mode switches between user space and kernel space.
同样，零-拷贝操作减少了耗费时间的用户态-系统态状态切换的次数，从而节省了时间。
When you type out the letter, it will take less space than this pencil copy.
你用打字机把这封铅笔信打出后，篇幅要比原件少。
Do you realize that you are influenced by your Space links, and that subconsciously for example you copy hair coloring like red and green that is not naturally found on Earth.
你们明白么，其实你们在被来自你们的空间链接影响着，那种潜意识的影响使得你作为例子染了头发的样色比如红色或者绿色，那在地球上并不是自然的。
Do you realize that you are influenced by your Space links, and that subconsciously for example you copy hair coloring like red and green that is not naturally found on Earth.
你们明白么，其实你们在被来自你们的空间链接影响着，那种潜意识的影响使得你作为例子染了头发的样色比如红色或者绿色，那在地球上并不是自然的。
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