The key features of large database systems are consistency, high availability, and scalability.
大型数据库系统的主要特征是一致性、高可用性和可伸缩性。
As we briefly mentioned above, ensuring the high availability and scalability of a relational database platform can be done through a number of known and proven techniques.
我们在上文已简要提到，可以通过许多已知和经证实的技术来实现关系数据库平台的高可用性和伸缩性。
Providing high availability for database servers involves making the hardware itself more highly available, rather than providing additional redundant hardware.
为数据库服务器提供高可用性包括使硬件本身具有更高的可用性，而不是提供额外的冗余硬件。
High availability is a key requirement for critical database applications.
高可用性是重要数据库应用程序的关键需求。
Further, for the XML side of things, the mature database services of DB2 are extended to the XML documents — back-up and recovery services, high availability configurations, and so on.
此外，对于XML方面来说，DB 2一些成熟的数据库服务已经扩展到了XML文档——备份和恢复服务，高可用性配置，等等。
In traditional database deployments database replication techniques are commonly used to achieve high availability.
在传统的数据库部署中数据库复制技术常常被用来达到高可用性。
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。
They are processing data at a massive scale in computing clusters and have an architecture to support high availability, low latency applications as well as database integration with Hadoop.
他们的计算集群正在处理超大规模的数据并有着支持高可用性的架构，低延迟的应用，和与Hadoop相集成的数据库。
If one of the servers in the high availability cluster fails, then the clustering software transfers the workload to the idle standby database server.
如果高可用性集群中某一个服务器出故障，那么集群软件就会将工作负载转移到idle备用数据库服务器。
In addition to high availability, Oracle rac can also be configured to provide workload balancing; workload balance to the database happens at the connection level.
除高可用性外，还可以将Oraclerac配置为提供工作负载平衡；数据库的工作负载平衡在连接级别发生。
Find clusters: Finds and displays all the high availability clusters that are available in the OAT connections database and displays them in the clusters list.
Findclusters：查找并显示OAT连接数据库中所有高可用性集群，并在集群列表中显示它们。
Presto is basically a set of WAR files that run on Tomcat container with a high availability (HA) database ( MySQL) with failover.
Presto基本上是由一套运行在Tomcat容器上的WAR文件构成的，它使用了一个高可用的数据库（MySQL）处理失败。
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。
DB2 HADR (High availability Disaster Recovery) configurations can provide both resiliency of availability and some load balancing through use of the secondary mode as a read-only database.
通过使用备用模式(secondary mode)作为只读数据库，DB 2HADR(高可用性灾难恢复)配置可以同时提供具有弹性的可用性和一些负载均衡。
The Oracle NoSQL Database is a key-value datastore designed for high scalability and availability, and deployed on multiple replicated nodes for rapid failover and load balancing.
OracleNoSQLDatabase是一种键-值数据存储，设计时考虑到了高扩展性和高可用性，并可部署于多个互相复制的节点上，以便进行快速故障切换及负载均衡。
Obviously, with availability of physical memory on the database server, a high buffer pool hit ratio is always better for your database performance.
显然，随着数据库服务器上物理内存的使用，高缓冲池命中率对于您的数据库性能而言始终比较好。
Among the others, high availability of hospital's network system and high security nature of database are mostly concerned about.
医院网络系统的高可用性和数据库的高安全性是其中最为引人关注的问题。
In addition, high availability is becoming ever more crucial in scalable transactional database systems, and is typically accomplished via replication and automatic fail-over in the case of a crash.
此外，高可用性正变得越来越可扩展事务数据库系统的关键，通常是通过复制和实现自动故障转移在一个崩溃的情况下。
High availability and recoverability should be assured by good database backup and recovery.
可用性和可恢复性要靠数据库良好的备份和恢复策略来保证。
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。
With the increasing requirement of critical and continuous task, high availability of database management system is paid more attention by industry.
随着不间断关键任务需求的不断增强，数据库管理系统这一核心部件的高可用性越来越受到业界的重视。
System dual-server hot-backup solution is a kind of database security solutions with high capability and high availability.
数据库服务器双机热备解决方案是根据用户需求实现数据库安全的一种高性能、高可靠性的解决方案。
The high availability technology includes RAID, cluster, database replication and hardware replication. The enterprise should take one or more technology to meet his own HA requirement.
高可用技术包括RAID、集群、数据库复制和硬件复制，企业可以根据自身的情况，使用一种或多种技术，建立满足自己需求的高可用系统。
The high availability technology includes RAID, cluster, database replication and hardware replication. The enterprise should take one or more technology to meet his own HA requirement.
高可用技术包括RAID、集群、数据库复制和硬件复制，企业可以根据自身的情况，使用一种或多种技术，建立满足自己需求的高可用系统。
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