To understand and diagnose performance issues, you first need to determine your baseline performance level.
要想了解和诊断性能问题，首先需要确定基线性能水平。
If the workload is large and the system is poorly tuned, it can take a long time to get a baseline performance number.
如果工作负载很大而且系统优化不好，则需要花很长时间才能获得基准性能值。
Let's first introduce two of the key concepts used in determining baseline performance: network latency and network bandwidth.
首先介绍在判断基线性能时使用的两个重要概念：网络延时和网络带宽。
The baseline performance shows an average response time of 37.6 milliseconds (see lower right-hand corner of the JMeter frame).
基准性能表明平均响应时间为37.6毫秒(请看jmeter帧的右下角)。
Before you can identify whether there is a problem within your network, you first need to have a baseline performance on which to base your assumptions.
在判断网络中是否发生问题之前，需要先确定基线性能，然后据此做出假设。
Before changing anything, it is critical to get a baseline performance number, because only a comparison to the baseline can definitively show that the system is faster or slower.
在进行任何更改之前，获得性能基准数是很重要的，因为只有与基准进行比较才能确切说明系统变快还是变慢。
When running the baseline test or other performance tests, other work on the system must be carefully controlled.
在运行基准测试或其他性能测试时，必须谨慎地控制系统上的其他工作。
First, I established a baseline of performance, using default configurations and no special tuning.
首先我使用默认配置构建了性能基准，没有进行其他优化。
You can use this both to create a baseline figure and during normal operations to check the transfer performance.
可以使用这种方法得到基线数据，也可以在正常操作期间检查传输性能。
Based on the test result from the previous release, we set the throughput baseline at 11580 transactions per hour and estimated a 10% performance improvement in the new release.
根据来自以前的发行版的测试结果，我们将吞吐量基准设置为每小时11580个事务，并估计在新的发行版中性能会有10%的提高。
Prior to your index creation effort, you may run PERFORMER to get a performance baseline for later comparison.
在进行创建索引的工作之前，您可以运行PERFORMER来获得性能基线，以便稍后进行比较。
We used this configuration as a baseline to show how the size of an inbox could affect performance as we got closer to the architectural limit.
我们使用这个配置作为基准，看看在架构能承受的范围内，收件箱的大小对性能的影响如何。
Setting high performance as your baseline expectation and giving teams a way to achieve it play directly into these powerful motivators.
把高绩效作为你的期望基准并让团队去实现它，这些就是强大的激励因素。
The flow chart assumes that a previous performance baseline has been established.
这个流程图假定已经建立了以前的性能基准。
It is important to continuously observe system performance because you need to compare the loaded system data with normal usage data, which is the baseline.
持续观察系统的性能非常重要，这是因为需要对过载的系统数据与正常使用的数据(作为基准)进行比较。
By creating a baseline with the initial version of your code you can quickly determine how a new version is going to impact performance.
通过创建一个原始代码的基准，你很快就能发现新代码对性能产生了何种影响。
You must have a baseline of network performance so that you know what the system looks like when it is behaving normally.
您必须拥有一个网络性能基线，以便了解系统正常运行时的状态。
A performance baseline is a report about the performance of a DB2 instance during a specified timeframe.
性能基线是关于DB 2实例在指定时间段内的性能的报告。
If you used virtual machines, you captured an image of the Windows system as a snapshot, both to archive as a functioning save point and to use as a baseline to compare future performance changes.
如果您使用的是虚拟机，那么您应该将Windows系统镜像捕捉为一个快照，它可以作为正常运行保存点，也可以作为比较将来性能变化的基线。
The purpose of using the unsynchronized StringBuilder was to provide a baseline measurement of performance.
之所以使用非同步的StringBuilder，是为了提供一个测量性能的基线。
If you used virtual machines, you can capture an image of the Windows system as a snapshot, both to archive as a functioning save point and to use as a baseline to compare future performance changes.
如果您使用的是虚拟机，那么应该获得了Windows系统的镜像作为快照，既可将其用作功能存储点，也可将其用作比较将来性能变化的基线。
The performance baseline for the lab example (using JMeter) is shown in Figure 1 below.
实验示例的性能基准(使用JMeter)如下面的图1所示。
After the test, you want to save a performance baseline for the two hours of the test. To accomplish this, complete the following steps.
运行测试之后，希望保存这个测试的性能基线。
Build a scalable infrastructure - create a baseline for your services performance and scalability using appropriate instruments and measurements.
构建一个可伸缩的基础设施——用适当的方法与度量，为服务的性能与可伸缩性设置基线。
We're unable to pinpoint just one factor that caused this performance improvement, but we now have baseline data to use in our future performance analysis efforts.
我们难以确定是哪个因素改善了性能，但是我们现在获得了基准测试数据，可以用于未来的性能分析。
This baseline should not only capture performance-type statistics, but it should also document the actual configuration of your system (amount of memory, CPU, and disk).
基准不应该仅仅捕获性能类型的统计数据，还应该记录系统的实际配置(内存大小、CPU数量以及硬盘容量)。
This article described how to take baselines on both short-term and long-term history data, including how to take a baseline on SQL performance.
前面讨论了如何根据短期和长期历史数据建立基线，包括如何建立SQL 性能基线。
Once we collected some of this baseline data using the performance Monitor and the Probe workload, we also tried varying different Settings to see if we could detect an improvement in performance.
使用PerformanceMonitor和Probe负载收集到一些基准数据之后，我们还尝试用不同的设置来提高性能。
Then we deduce and analyze the performance for Critical Baseline, velocity resolution and moving target detection.
基于这个模型分析了临界基线、测速精度，以及动目标检测等性能。
Then we deduce and analyze the performance for Critical Baseline, velocity resolution and moving target detection.
基于这个模型分析了临界基线、测速精度，以及动目标检测等性能。
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