The fifth, we designed the database and safety of system by using advanced database cluster technology and data safe practice.
第五，利用目前先进的数据库集群技术和数据安全技术，对该系统的数据库及安全进行设计。
To ensure the business of enterprises don't grind to a halt. The database cluster with high availability is a vital problem in the key application of enterprises.
要保证企业业务不停顿，高可用性数据库集群是企业在关键应用上必须考虑的重要问题。
The database is now offloaded as it gets writes from the cluster, all reads are satisfied using the cache in the cluster member.
由于数据库是从群集中写入的，所以它现在被卸载，通过集群成员中的缓存满足了所有读取。
The synchronous method involves tight integration of the database software with specialized HA software to produce a HA cluster.
同步方法要求数据库软件与专门化的HA 软件紧密集成，以产生一个 HA集群。
Middleware creates a flexible system where the underlying RDBM may be seamlessly changed, and additionally allows a single database server to be replaced with a cluster of machines.
中间件创建一个灵活的系统，在这个系统中，底层的RDBM可以无缝地改变，而且允许用集群替换单一的数据库服务器。
You are likely to specify both if you are trying to retire some old machines and adding more powerful machines into your database DPF cluster.
如果想撤掉一些旧的计算机，并添加更强大的计算机到数据库D PF集群中，那么您很可能会同时指定添加和删除。
Cluster replication occurs when there are any database changes written to disk, such as the creation of new documents, delivery of new mail messages, and so on.
当向数据库写入任何更改时就会导致集群复制，比如创建新的文档和发送新的邮件消息等。
Should multiple failures in a cluster occur, however, an RS node can prevent your database from being entirely unavailable.
不过，如果集群中发生多个故障转移，RS节点可以防止您的数据库变得完全不可用。
You can choose from database session persistence or memory-to-memory session replication for applications running in a cluster.
您可以为运行在集群中的应用程序选择数据库会话持久化或内存到内存的会话复制。
The default workload cluster groups are under the database.
默认工作负载集群组在数据库之下。
The most common partitioned environment consists of a single database partition on each physical system that makes up the database partition cluster.
最常见的分区环境由每个物理系统上的一个数据库分区组成，这些物理系统组成数据库分区集群。
As mentioned above, keeping the application data in a central database ensures consistent server write and consistent read data in the cluster environment.
如上所述，将应用程序数据保存在中央数据库中可以确保在集群环境中写入和一致地读取数据。
For each cluster database replica, network traffic associated with write disk operations is approximately doubled.
对于每个集群数据库副本，与写磁盘操作相关的网络流量会加倍。
Configure the application cluster to connect to the migrated production database if necessary.
根据需要配置应用程序集群，以连接到迁移后的生产数据库。
The DB2 database installed with the primary node is automatically used by all other nodes in the cluster.
与主节点安装在一起的DB 2数据库自动被集群中所有其他节点使用。
When update activity is excessive, the ability of cluster replication to maintain database synchronization becomes limited if the server is not sized properly.
如果没有适当地安排服务器的大小，当更新活动比较频繁时，集群复制维护数据库同步的能力就会受到限制。
Or maybe a cluster — with a dedicated database server with RAID and tape backups for sure, and also a separate machine to run the interface.
或者可能是一个集群——有一个使用了RAID的专用的数据库服务器，以及磁带备份的保证，还有单独的机器来运行界面。
The cluster directory database on a different cluster within the same domain contains quite different information.
同一域内其他集群的目录数据库包含完全不同的信息。
To have better performance for the system, it's recommended to have a separate database server for WDPE cluster environment and another one for ITCAM server.
为使这个系统拥有更好的性能，建议 WDPE集群环境和ITCAM服务器各有一个单独的数据库服务器。
The database server itself might be deployed as a cluster with the multiple database servers providing redundancy and scalability.
数据库服务器本身可以作为一个集群部署，同时使用多个数据库服务器提供冗余和可扩展性。
In the previous figure you can see that Server a hosts a production database called database a as well as a standby database in an HADR cluster called database B1.
在上图中可以看到服务器A宿主了一个名为数据库a的生产数据库和一个名为数据库B1的HADR集群中的备份数据库。
The predefined ROT functions are organized in a buffer pool, database, table space and SQL activity cluster.
预定义的ROT功能组织在缓冲池、数据库、表空间和SQL活动集群中。
Answer: a stateless cluster will only scale so far once cluster members start competing for database access.
答：到目前为止，无状态集群仅在集群开始对数据库访问进行争用时才进行扩展。
These activities include messaging, calendaring, database searches, database replication between servers, local database replication on the client, and cluster replication.
这些活动包括消息处理、日历、数据库搜索、服务器之间的数据库复制、客户机上的本地数据库复制和集群复制。
It could also be the case that machine 1 is configured to be part of a TSA high availability cluster, but the database instance isn't started.
还可以将机器1配置在TSA高可用性集群中，但是不启动数据库实例。
Add the messaging engine cluster to the bus and set the database schema to the correct value.
将消息传递引擎集群添加到总线，并将数据库模式设置为正确值。
Version 11.70 of Informix database software provides multiple features to ensure uninterrupted availability of a high availability cluster.
Informix数据库11.70版提供多个特性来确保高可用性集群的不间断可用性。
Although many tools and wizards are available with the software to cluster servers, an expert database administrator (DBA) can help with unexpected problems.
尽管软件可以使用很多工具和向导来组建服务器集群，但专家数据库管理员(DataBase Administrator,DBA)可以帮助处理各种意外问题。
Each server in the LEI cluster used the same LEI Administration database to work with.
LEI集群中的每台服务器都使用同一个LEIAdministration数据库进行工作。
Each server in the LEI cluster used the same LEI Administration database to work with.
LEI集群中的每台服务器都使用同一个LEIAdministration数据库进行工作。
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