现在,由于我们已经知道哪些列表和视图被频繁访问,我们就能重点关注那些让性能下降的地方。
Now as we know which lists and views are accessed frequently we can focus on those that show signs of performance degradation.
如果应用程序频繁地访问没有适当索引的小表,数据库每次都会把它们装载进内存并扫描它们。
If your application frequently accesses smaller tables without proper indexes, the database will load them into memory each time and scan them.
为达到效率最大化,频繁访问的表区段应当越少越好。
For maximum efficiency, frequently accessed tables should have as few extents as possible.
如果源——或联合服务器和源之间的连接器——具有特定特征,在访问频繁时会导致响应性能下降,则可能会出现异常。
An exception may occur if a source — or a connector between the federation server and the source — has specific characteristics that cause response performance degradation when frequently accessed.
或者,存在一个偶然事件让您的客户不满意,然后通过频繁演示来达到更好地访问您的客户。
Or, point out an incident in which your customer was not satisfied, and ask for better access to your customer through frequent demonstrations.
如果频繁访问的数据也会用于脱机处理,那么这种问题就会更加突出;此时,应将这些数据存储在另一个数据库中。
This is especially so when frequently accessed data is also meant for offline processing, in which case, keep the data in a different database.
对频繁更改的分布式数据的实时访问:使用数据整合处理这种场景,需要对源数据进行频繁的移动和整合。
Real-time access to distributed data that is frequently changing: Addressing this scenario with data consolidation requires frequent movement and consolidation of the source data.
当我们获悉新信息时,大脑把我们使用得最频繁的单词、语言和语法结构按照一种容易访问到的方式来存储。
As we learn new information, the brain stores the words, languages and grammatical structures that we use most often in a way that makes them easy to access.
会频繁访问很多旧数据,将其作为特定的上下文信息,如旅行路线等。
Much older data is very infrequently accessed, as is certain context information, such as a flight itinerary.
因为您会如此频繁的重新访问这些操作,所以设计师会提供一个尽可能按照直觉执行操作的用户界面。
Because you will revisit these actions so frequently, the designers provided a user interface that makes performing the actions as intuitive as possible.
第一个优点就是人们访问社交网站会更为频繁,所以社交网站上的信息往往比招聘网站上的信息更为时新。
One is that people visit them frequently, so profiles on the sites tend to be more up-to-date than those on job boards.
例如,某一列被访问的频率超过预期;某个表远远大于预期;某些查询比预期执行得更频繁。
For example, a column is being accessed more frequently than anticipated; a table is much larger than anticipated; certain queries are being performed more frequently.
随着两国人民之间交往的日趋频繁,我,作为一名中国学者,有机会多次访问新西兰,在那儿学习,讲学和交流。
With more and more exchanges between the two peoples, I, as a Chinese scholar, have had opportunities to visit New Zealand many times, studying, lecturing and exchanging ideas.
因为不知道爬行器什么时候会访问您的站点,频繁地停机(即“维护时间窗”)会有风险,如果爬行器在站点停机时到来,它就会认为站点是失效的,从而转到其他站点去。
Because you don't know when the spider will visit, it's risky to have frequent down times or "maintenance Windows" — the spider will move on to another site.
最近,轻量型目录访问协议(Light weight Directory Access Protocol,LDAP)目录被广泛用于存储访问频繁但不常进行修改的数据。
More recently, the Lightweight directory access Protocol (LDAP) directory is being widely used to store highly accessed and less frequently changed data.
最适合放入 SSD 的数据是DB2fori对象,其中包含的数据是频繁地随机访问的。
The best candidate for SSD are DB2 for i objects that contain data that is frequently randomly accessed.
为频繁访问的数据提供缓存可以节省时间或降低数据库的争用和总体请求容量。
Providing a cache for frequently-accessed data might time-shift or reduce contention and overall request volumes to the database.
为了改善最终用户体验,我们应该集中在最频繁访问的列表上,而不是那些偶尔访问一下的列表。
In order to improve the end user experience we should focus on lists that are accessed most frequently rather than lists that are accessed just occasionally.
例如,假设一个数据库有许多频繁使用的小型表,这些表通常全部都位于缓冲区中,因此访问起来就非常快。
For example, you might have a database with many very-frequently used small tables, which would normally be in the buffer in their entirety to be accessible very quickly.
是否需要频繁地访问某些文件(比如数据库),或者对时间的要求很严格?
Are some of your files, such as databases, accessed frequently and in time-critical ways?
使用处理器较多而且频繁访问内存的应用程序将最为受益,因为NUMA减少了某个处理器访问内存中某个区域的时间。
Applications that are processor intensive and access memory frequently will benefit the greatest since NUMA decreases the time it takes a processor to access a region in memory.
更频繁地,可以这样说,一个人的感觉在他访问荷兰的时候重焕生机。
More than usual than, say, a person's senses are brought to life when visiting the Netherlands.
处理器密集型和内存访问频繁的应用程序将获得最大收益,因为NUMA减少了处理器访问内存区域的时间。
Applications that are processor intensive and access memory frequently will benefit the most since NUMA decreases the time it takes a processor to access a region in memory.
使用大页主要是为提高内存访问频繁的应用程序的性能。
Large page usage is primarily intended to provide performance improvements to memory access intensive applications.
该方法的好处在于不用频繁地访问后端应用(数据库、EJB等)。
The benefit of this approach is that the back end of the application (a database, EJBs and so on) is accessed less frequently.
对于那些由未解析变成已解析并被频繁访问的字段来说,这种简单的过程可能带来严重的性能问题。
For unresolved fields that become resolved and frequently accessed, this naive procedure can be a huge performance problem.
网站应能持续访问,并且不会因为服务器不可靠、流量过大或其他问题而频繁地出现无法访问的现象。
Website should be consistently available and not frequently inaccessible due to server unreliability, high demand, or other problems.
如果某个特定的缓存太小,则WebSpherePortal服务器会太频繁地访问数据库,从而导致性能下降。
If a particular cache is too small, then the WebSphere Portal server can go to the database too often, which can result in performance degradation.
如果某个特定的缓存太小,则WebSpherePortal服务器会太频繁地访问数据库,从而导致性能下降。
If a particular cache is too small, then the WebSphere Portal server can go to the database too often, which can result in performance degradation.
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