在这一步中，需要使用上面讨论的工具来获取该查询的统计数据：其响应时间、详细的执行计划和成本，以便稍后进行深入分析。
At this step, you need to use the tools discussed above to get statistics on the query: its response time, its detailed execution plan, and costs for later in-depth analysis.
查找一个任务来执行所需要的时间并不依赖于活动任务的个数，而是依赖于优先级的数量。
The time it takes to find a task to execute depends not on the number of active tasks but instead on the number of priorities.
那么就需要对表数据的子集而不是整个表执行维护操作，来减少操作时间，并避免对静态数据进行不必要的操作。
This leads to a requirement for performing maintenance on a subset of table data instead of the entire table in order to reduce operating time and avoid unnecessary operations on static data.
编写系统测试是个挑战，也需要大量的时间来实际地执行。
System tests are challenging to author and also take a good deal of time to actually execute.
其中T(j)是在使用 j 个处理器来执行程序时所需要的时间。
Where T(j) is the time it takes to execute the program when using j processors.
使用这些方法的一个潜在缺点是，它们需要花很长时间来执行，会花甚至更长的时间来还原，尤其是在从磁带媒体还原时。
A potential drawback with these methods is that they can take a long time to execute and even longer to restore from, especially if recovering from tape media.
性能热点：使用时间戳，可以发现需要花费相当多时间来执行的方法。
Performance hotspots: Using timestamps, it is possible to find methods that take a significant amount of time to execute.
在一个现实的应用软件中，这个服务器可能会忙于询问一个数据库，处理一个路由，或者执行一些类似需要消耗一些时间来完成的工作。
In a real-world application, the server may be busy querying a database, computing a route, or performing some similar task that takes a while to complete.
首席执行官需要花费更多的时间来与客户和员工沟通。
增大此值会产生较低质量的图像，但是会需要较少的时间来执行和显示图表。
Increasing this value produces lower quality images, but requires less time to execute and display the chart. 0%.
在执行这个脚本之前，只需要确保有足够的时间来运行backupios命令。
Just make sure you allow enough time for the backupios command to complete before running this script.
为了使网格达到最大的性能，有效降低网格计算的执行时间和耗费，需要一个良好的资源调度策略来有效的分配网格资源。
A good strategy of grid scheduling is needed to allocate resources effectively in order to get the better performance and reduce total execution time and cost in grid computing.
我有一个应用程序，使几个SQL连接到多个数据库，目前需要一个很长很长的时间来执行。
I have an application that makes several SQL connections to multiple databases which currently takes a very very long time to execute.
虽然执行最终还是会进行，但这样艰巨的任务通常需要五年时间来完成，于是成本就变高了。
While enforcement is usually achieved in the end, such challenges typically take five to seven years, and that drives up costs.
虽然执行最终还是会进行，但这样艰巨的任务通常需要五年时间来完成，于是成本就变高了。
While enforcement is usually achieved in the end, such challenges typically take five to seven years, and that drives up costs.
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