可能的情况下，确保本地有最新的数据拷贝。
Make sure to have an up-to-date copy of the data on-premise, if that's possible.
而且，它节省了不必要的数据拷贝和内存消耗。
And, it saves unnecessary data copies and memory consumption.
然后由内核将数据拷贝到与输出套接字相关联的内核缓冲区。
Then the data is copied by the kernel into the kernel buffer associated with the output socket.
本质上这意味着数据拷贝，这在中间件是十分昂贵的操作应当予以避免。
Essentially this is a data copy which in middleware is very expensive and should be avoided.
数据拷贝系统及方法，数据读取设备，数据写设备及数据记录介质。
Data copying system and method, data reading apparatus, data writing apparatus and data recording medium.
当CPU从主内存中读取数据时，一份数据拷贝将被存储在高速缓存中。
When the CPU reads data from main memory, a copy of this data is stored in the cache memory.
该方案消除了TCP/IP协议栈的软件开销，也减少了核态与用户态的数据拷贝和上下文切换的开销。
The scheme removes the software overheads of TCP/IP protocols and reduces the overheads of context switching and data copying between the kernel and user levels.
使用DMA方式进行数据传输可以占用较少的CPU资源，同时获得较快的系统的响应速度和数据拷贝速率。
Transferring data using DMA will occupy less CPU resource, synchronously obtain higher response speed of the system and higher copying speed.
与国外参考设计相比，该系统架构缩短了协议处理的时间和数据拷贝，大大降低主机的系统开销，便于芯片物理实现。
Compared with foreign reference design, this architecture to shorten the processing time and the data copying times, greatly reducing host spending, easy to chip physical implementation.
让CPU 不参与数据拷贝工作而去处理其他的任务的同时，将数据拷贝任务在CPU 的其他区域与CPU并行工作来极大地提升性能。
Performance is enhanced by allowing the CPU to move on to other tasks while data copying procedds in parallel in another part of the machine .
因为组播能够有效地节约网络带宽、降低网络负载，所以在实时数据传送、多媒体会议、数据拷贝、游戏和仿真等诸多方面都有广泛的应用。
Multicast reduces network overload and saves bandwidth, so it has been found a lot applications, such as real-time data transportation, multi-media conferences, data backup, games and simulations.
这样迫使每个人在他们下一次复制时接收数据的新拷贝。
This makes everyone get a new copy of the data the next time they replicate.
所以，您可以安排出空间，没有任何损失地完成数据的拷贝。
So, you can make room to copy your data without losing anything.
因为字符串是不可变的，所以这种方式意味着每次循环时会构建一个新的字符串，从老的字符串拷贝数据并在最后增加一个字符。
Because strings are immutable, this approach means a new string will be constructed each time through the loop, with the data copied from the old string and a single character added at the end.
数据未被拷贝到套接字缓冲区。
在内部，相关数据通过指针被拷贝到动态分贝的内存上。
Internally the data referenced by the pointer is copied into dynamically allocated memory.
NFS可以帮助确保每个主机具有相同数据的拷贝，并确保修改反映在所有节点上。
NFS is helpful to ensure that every host has a copy of the same data and that changes are reflected across all nodes.
但在多核环境下，核之间会经常有相同数据的拷贝操作。
But in multicore chips, multiple cores will frequently have cached copies of the same data.
使用零拷贝的应用程序要求内核直接将数据从磁盘文件拷贝到套接字，而无需通过应用程序。
Applications that use zero copy request that the kernel copy the data directly from the disk file to the socket, without going through the application.
在许多情况下，企业中常常有相似或相同数据元素的多个拷贝，这些拷贝的上下文只在其数据存储库中有效。
Many times, businesses have redundant copies of seemingly similar or identical data elements, whose context is only valid within the data store in which it resides.
使用CGTT的每个连接拥有自己的CGTT拷贝，而且只能看到自己拷贝中的数据。
Each connection using the CGTT has its own copy of the CGTT and only sees the data in its copy.
用数据库的镜像拷贝替换源数据库(除了活动日志目录之外)。
Replace the source database (excluding the active log directory) with the mirror copy of the database.
执行fork之后，父进程和子进程获得打开的所有文件描述符和数据值的拷贝，所以指针对于它们都是有效的。
After the fork, the parent and child have copies of all open file descriptors and data values, so the pointer works for both.
每个分片都是一组配置成Replica集的机器，这意味着分片里的每台机器都拥有分片数据的完整拷贝。
Each shard is a group of machines set up as a replica set, meaning that each machine in the shard has a full copy of the shard's data.
数据传输：零拷贝方法。
这就极有可能提高了需要在I/O通道间大量拷贝数据的应用程序的性能，如Web服务器。
This has the potential to increase performance significantly for applications that do a great deal of copying of data from one I/O channel to another, such as Web servers.
使用本地数据，或者通过制作全局数据的本地拷贝来保护全局数据。
Uses local data or ensures protection of global data by making a local copy of it
IBM建议使用智能存储服务器，例如IBMess或emcSymmetrix，完全在其内部建立数据的准瞬时拷贝。
IBM recommends using intelligent storage servers, such as the IBM ESS or EMC Symmetrix, to establish near-instantaneous copies of the data entirely within itself.
IBM建议使用智能存储服务器，例如IBMess或emcSymmetrix，完全在其内部建立数据的准瞬时拷贝。
IBM recommends using intelligent storage servers, such as the IBM ESS or EMC Symmetrix, to establish near-instantaneous copies of the data entirely within itself.
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