当一个服务器停机时，另一个服务器接管。
这减少了系统和数据库停机时间。
这大大减少了系统和数据库停机时间。
这样可在此种条件下明显减少停机时间。
This can significantly reduce the amount of downtime you experience in such circumstances.
停机时间包括计划内和计划外停机时间。
它能在高可用性集群的服务器停机时维护用户连接。
It can service the user connections while the servers of the high availability cluster are brought down.
减少客户机停机时间。
测试将显示停机时间从6个小时减少到15分钟。
Tests will show that downtime is reduced from 6 hours to 15 minutes.
如果停机时间接近0，那么高可用性接近100%。
As downtime approaches 0, high availability approaches 100%.
持续可用性要求数据库引擎随时可用，没有可觉察的停机时间。
Continuous availability demands that the database engine be available for processing with no perceivable downtime.
这实际上造成了停机时间，直到这些任务被完成为止。
This essentially creates downtime until these tasks can be completed.
一种衡量在线服务是否受到欢迎的方法是公众对其停机时的反应。
One way to measure the popularity of an online service is the public's reaction to its downtime.
在这些场景中，停机时间以不存在、一秒或数秒来度量。
The downtime in these scenarios is measured as non-existent, fractions of a second, or, at the high end, a few seconds.
所以转换过程中系统和数据库的总停机时间可能是6个小时。
So total system and database downtime during cutover could be as long as 6 hours.
可用性是用应用程序在一年内非停机时间的百分比来衡量的。
Availability is measured as the percentage uptime of the application spread across the whole year.
关于安全补丁的一个重要方面，就是需要根据操作系统来安排停机时间。
An important aspect of security patches is that depending upon the operating system, downtime may need to be scheduled.
如果用户要求停机时间尽可能短，需要按特定的过程执行迁移。
If users require minimum downtime, there are specific procedures that need to be followed to perform the migration.
再次强调，这里假设您的客户满意度主要是基于系统停机时间。
Again, if your customer satisfaction is mainly based on system downtime.
使用滚动升级特性允许您使用最少的、甚至零停机时间升级集群。
Using the rolling upgrade feature allows you to upgrade the cluster with zero or minimal down time.
一切可用于让恢复任务变得更简单的办法都有助于缩短停机时间。
Anything you can use to make the recovery task easier serves to shorten the length of the outage.
这里说的停机时间还包括为应用程序维护和升级所规划的停机时间。
This downtime also includes planned downtime of the application for maintenance and upgrading.
这是一个复杂的过程，通常需要操作人员的体力劳动和大量停机时间。
It's a complicated transaction that usually requires manual labor from ops people and substantial downtime.
内存泄漏的成本非常高昂，经常伴随着产品停机时间和零碎的部署安排。
The cost of memory leaks is significant and is often associated directly with production down time, or a slipped deployment schedule.
随着企业应用程序变得越来越流行，任何停机时间都变得非常值得注意。
As enterprise applications become more popular, any downtime becomes very noticeable.
回滚允许您将环境还原到迁移中的某个稳定状态，从而可最小化停机时间。
Rolling back enables you to return your environment to a stable state in your migration, minimizing downtime.
能够随时了解这些信息能帮助dba加快分析并减少紧急情况下的停机时间。
Having this information readily available can help DBAs accelerate analysis and reduce downtime for urgent situations.
与之相比，5个9(99.999%)最大停机时间降到每年5.26分钟。
Compare this to five nines (99.999%), and the maximum downtime falls to 5.26 minutes per year.
在你的停机时间选择进行一项你喜欢的活动，将使你完全放松并让你精神焕发。
During your down time choose activities that you enjoy, that allow you to really relax and clear your mind.
第一种方法有最少的停机时间但是较为复杂，第二种方法在这种情况下更为实用。
The first option has the least downtime but is complex. The second option is much more practical in this situation.
第一种方法有最少的停机时间但是较为复杂，第二种方法在这种情况下更为实用。
The first option has the least downtime but is complex. The second option is much more practical in this situation.
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