有几个Linux调试工具支持这个步骤并且能够进行性能调优。
Several Linux debugging tools support this step and help with performance tuning.
这些视图使您能够从总体上了解系统的健康状况，以进行性能调优。
These give you an overall understanding of the health of your system for performance and tuning.
这就是我们的客户使用Domino 的方式，同时也是我们进行性能调优的地方。
This is how our customers are using Domino, so this is where we focus performance tuning.
举例来说，一条日志消息可能是为安全顾问产生的，而另外一条日志消息则可能是会为了帮助进行性能调优而产生的。
For instance, one log message might be produced for security advisors, while another could be produced to aid performance tuning.
在对Hibernate应用程序进行性能调优时，大部分时间花在调整 Hibernate处理实体关联的方式上。
When you performance-tune Hibernate applications, you'll spend the most development time tweaking how Hibernate deals with entity relationships.
尽管默认设置应该适用于多数情况，但是，为了获得最佳性能，可能需要进行一些调优。
While the default setting should perform well in most cases, some tuning might be required to get the best performance.
本文将详细地讨论每一个组件，并提供一些关于如何主动监控数据库引擎的性能，以及如何更为积极主动地进行调优的实用技巧。
This article will discuss in detail each of those components and give some practical and useful tips on how to actively monitor database engine performance and how to be more proactive in tuning.
注意，这些结果没有针对最优性能进行调优，不应被视为针对系统的正式基准测试结果，它们只是用于研究目的的结果。
Note that these results are not tuned for optimal performance and should not be considered official benchmark results for the system, but rather results obtained for research purposes.
对信息进行概要分析后，您可以创建自己的调优计划，下一小节将讨论并描述最重要的调优步骤，这些步骤将对性能产生直接影响。
Once you have profiling information, you can create your tuning plan, the next section will discuss and describe the most important tuning steps that will directly affect the performance.
注意，这些结果没有针对最优性能进行调优，不应被视为针对系统的正式结果。
Note that these results are not tuned for optimal performance and should not be considered official results for the system.
对于复杂文档和对象结构，这种转换从来都不是透明和自动的，需要进行开发和运行时性能调优。
For complex document and object structures, such translations are never transparent or automatic and hence they require development effort and runtime performance.
该特性为分析SQL语句以提高性能和进行调优提供了便利。
This feature allows for easy analysis of SQL statements for performance and tuning purposes.
您通过本文介绍的调优更改实现的应用程序性能提升肯定会有所不同，并且应该通过您自己的性能测试进行评估。
Any performance gains to your application that result from the tuning changes detailed in this article will certainly vary, and should be evaluated with your own performance tests.
有时，只有数据库管理员有权创建SQL并对SQL的性能进行调优。
Sometimes only database administrators are authorized to create and fine tune SQL for performance.
例如，假设您正在进行应用程序性能调优。
For example, you are doing performance tuning work for an application.
理解DB 2如何使用内存，可以防止过度分配内存，并有助于对内存的使用进行调优，从而获得更好的性能。
Understanding how DB2 USES memory prevents you from over-allocating memory, and helps you tune memory use for better performance.
第3部分重点关注分页空间和对VMM进行调优以尽可能提高性能的其他方法。
Part 3 focuses primarily on swap space and other methods to tune your VMM to maximize performance.
在进行调优后，几乎所有事务的性能都得到改进，其中一些事务的性能改进了20%到40%。
Almost all transactions' performance improved after tuning, with some improving by 20 percent to 40 percent.
在进行查询调优时，不但要追求良好的性能，还要确保做正确的事。
When it comes to query tuning, it's important for you to do not only good work, but the right work.
这为我们调优性能和计划容量提供一个定义新模型的机会，因为Web用户的类型很多，可以根据他们正在做的事情进行分类。
This is giving us a chance to define new models for performance tuning and capacity planning because you have such different types of Web "users" based on whatever the user happens to be doing.
你在《重构》一书中写道：“编写能快速运行的软件的秘诀就在于先编写可性能调优的软件，然后对执行速度进行调优。”
Bill Venners : You say in Refactoring, "The secret to fast software in all but hard real time contexts is to write tunable software first, and then to tune it for sufficient speed."
你在《重构》一书中写道：“编写能快速运行的软件的秘诀就在于先编写可性能调优的软件，然后对执行速度进行调优。”
Bill Venners : You say in Refactoring, "The secret to fast software in all but hard real time contexts is to write tunable software first, and then to tune it for sufficient speed."
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