系统将根据无效消息的通信确定数据副本是新鲜的还是陈旧的。
The copies of the data are determined to be fresh or stale based on the communication of invalidation messages.
使用一个生产数据副本来进行测试。
现在，您了解了两个数据副本的优势和劣势。
You now have the advantages and drawbacks of two copies of the data.
它为您节省了保存数据副本所需的额外空间。
That saves you having to allocate additional storage to hold a copy of your data.
验证将域中的数据与现有的数据副本进行比较。
Verification compares the data in a field to an existing copy of the data.
企业中可能存在数据副本，这会影响操作数据的准确性。
Potential existence of data duplication in the enterprise, which compromises operational data accuracy.
系统将根据无效消息的通信确定这些数据副本是新鲜的还是陈旧的。
The copies of the data are determined to be fresh or stale based on communication of invalidation messages.
由于这些技术只使用一份数据副本，所以磁盘仍然会出现单点故障。
Since these technologies do only utilize one copy of the data, the disk would still be a single point of failure.
使用LEI复制来创建数据副本，这样还允许移动用户完全地离线操作。
Using LEI replication to make a copy of the data also lets mobile users operate completely off-line.
对主要服务器的任何更新会立即复制到辅助服务器，以维护一个活动数据副本。
Any update made on this primary server is immediately replicated to the secondary server so as to maintain a copy of the active data.
为此，如果在并行路径中使用同一存储库，则导出中的每个路径将具有自己的数据副本。
For this reason, if you use the same repository in parallel paths, each path in the export will have its own copy of the data.
端到端性能得到改进，原因是不需要在数据库(或其他XML数据源)和中间层之间创建数据副本。
End-to-end performance is improved as there are no copies of the data made between the database (or other XML data source) and the middle tier.
服务器端的一致性水平取决于如何在数据副本之间传播更新(这是改善吞吐量、提供可伸缩性的典型方式)。
The level of consistency on a server side depends on how updates are propagated between data replicas (which is the typical way to improve throughput and provide scalability).
例如，您可能使用Polling活动在系统中搜索新的销售订单记录，然后自动向会计应用程序发送数据副本以生成帐单。
For example, you might use a Polling activity to search for new sales order records in your system and then automatically send a copy of the data to your accounting application to generate a bill.
注意，由于这个模板应用于缓存在DOM 中的CDA数据副本，hl7:不是entry、code和observation 等元素所必需的。
Notice that because this template is applied to a copy of the original CDA data that was cached in the DOM, the hl7: is not required for elements like entry, code, and observation.
此时，客户机具有清单1中数据的副本。
At this point, the client has a copy of the data in Listing 1.
当前需求需要数据的最新副本。
在多核芯片中，多个核心可能缓存着同一数据的副本。
In multicore chips, however, multiple cores may have cached copies of the same data.
相反地您可以修改数据的本地副本。
如果以专有的格式存储，就算用户有了数据的副本，依然是被锁定的。
Even if users have a copy of their data, it can still be locked in if it's in a proprietary format.
那个学生曾因为一个实验向鲁杰罗索要原始数据的副本，但鲁杰罗拒绝了。
The student had asked Ruggiero for a copy of the original data for a certain experiment, and Ruggiero had refused.
100%干净数据—不包含可疑副本。
在这个例子中，我们仅维护数据的一个副本。
本例的“脏数据”包含40%的可疑副本。
The "dirty data" for the example includes 40% suspect duplicates.
应用程序数据完整的副本可以在远程系统上快速地、轻松地重新联机。
A complete copy of application data can be quickly and easily brought back online on a remote system.
日志中保留数据的多个副本可以带来一些有趣的优点，后面将详细谈到这些优点。
Having multiple copies of data in the log introduces some interesting benefits, which will be covered in more detail below.
然后，我使用了mirrorvg命令来在新磁盘上创建数据的确切副本。
Then, I used the mirrorvg command to create an exact copy of the data on the new disk.
您可以从下载部分获得此数据的一个副本。
其中包含xml和json数据资料的全部副本。用户可以任选其一进行分析。
It contains full copies of the XML and JSON data feeds and gives the user the option of parsing either one.
复制碎片是主碎片中所有数据的备份副本，它们的主要目的是从主碎片失败中恢复，提供高可用性。
Replica shards are backup copies of all the data in the primary shard, and their main purpose is to recover from a primary shard failure to provide high availability.
应用推荐