这是两类很有前途的调色剂，有望解决医用胶片存在的暖调问题。
These compounds may be expected to cure efficiently the unpleasant warm tone of medical film.
您已经了解如何从统计数据、谓词和索引这几方面来分析和调优问题查询。
You have learned how to analyze and tune the problem query from the perspective of statistics, predicates, and indexes.
对于调优性能，我们能够做的、最有效的就是解决任何数据模型问题。
The most effective thing we can do to improve performance is correct any data model issues.
记录GC使用情况并不具有干扰性，因此如果需要分析内存问题或者调优垃圾收集器，在生产环境中默认启用gc日志是值得的。
Logging GC usage is not intrusive, and so it is reasonable to enable GC logging in production by default in the event you ever need to analyze memory problems or tune the garbage collector.
掌握了该知识，您将更加善于解决IDS 的故障诊断问题，并在调优数据库服务器来获取更好性能方面更加积极主动。
With this knowledge at belt, you will feel more at ease to troubleshoot IDS issues and be more proactive in tuning your database server for better performance.
到目前为止，您已经看到如何在OptimQueryTuner各项功能的帮助下分析和调优问题查询，这些功能包括查询注释、访问计划图等等。
So far, you've seen how you can analyze and tune a problem query with the assistance of Optim query Tuner capabilities, such as query annotation, access plan graph, and so on.
它还提到了一些Hibernate调优所必需的数据库知识。 一些范例中包含了你可能遇到的问题的实际解决方案。
Some examples also contain practical solutions to problems you may encounter.
如果它很少运行或没有导致生产问题并且是工作负载的一部分，我们将在下周维护期间对它进行调优。
If it runs infrequently or is not causing production issues and is part of the workload, we'll tune it for next week during our weekly maintenance.
为连接池大小配置适当的值是一个应用程序服务器调优问题。
Configuring proper values for connection pool sizes is a matter of tuning an application server.
应当解释已发现的有问题的sql语句，以便为特定的调优需求显示访问计划。
The identified problematic SQL statements should be explained to show the access plan for any needed, specific tuning.
如上所述，性能是查询调优中主要关心的问题。
As stated above, performance is the major concern in query tuning.
在大多数用例中，这是理想的行为，并被视为一个调优问题：增加maxdepth值，直到队列能吸收最高峰值负载。
In most cases, this is the desired behavior and is treated as a tuning problem: increase MAXDEPTH until the queue can absorb the highest peak loads.
应用程序开发人员通过性能调优和纠正代码通常可以解决这类问题。
This issue can typically be addressed by the application developers by tuning performance and making code corrections.
本文为读者打好了坚实的基础，以便他们能够很好地理解问题，从而晋级到更高级的J2EE技术和性能调优概念。
This article provides the readers with a solid foundation so that they can understand the issues well enough to move on to more advanced J2EE topologies and performance tuning concepts.
回答这些问题就会确定查询的访问路径；调优的目标是找到更好的路径，减少语句的执行时间。
Answering these questions generates the query's access path; your tuning aim is to get a better path that will reduce statement execution time.
在对一个查询调优之前，您要了解问题查询的以下方面。
Before tuning a query, you need to understand the following aspects of the problem query.
通常，任何性能调优项目的首要问题是问题描述。
Typically, in any performance tuning project the first issue is one of problem statement.
这是对服务器进行调优的一个非常好的工具，因为它对状态变量进行适当计算来帮助确定需要修正哪些问题。
It's an excellent tool for tuning a server because it performs the appropriate calculations on the status variables to help you determine what needs fixing.
对应用程序本身进行调优是另一个复杂的问题。
Tuning the application itself is yet another complex matter.
存在的问题是：如果日志记录对性能的影响是正面的，那么可以通过调优来实现更好的性能吗？
The question that arises is this one: If logging can have a positive performance effect, can we see greater improvement through tuning?
回调中所抛出的异常如果没有被全局处理器处理或捕获，那么他们会终止应用，并不会给出任何关于问题的提示信息。
Exceptions raised in callbacks that were not properly handled or caught by a global handler would silently terminate the application, without any indication of the problem.
这个选项不存在与较老CPU不兼容的问题，但专门针对不同cpu调优的代码执行起来可能较慢。
This option will not introduce incompatibility with older CPUs, but code tuned for a different CPU might execute more slowly.
在本文中，我提供了针对SQL过程领域中常见性能问题的一些调优技巧。
In this article, I have provided tuning tips for common SQL procedure performance problems that I have seen in the field.
如果它很少运行或没有导致生产问题并且是工作负载的一部分，我们将在下周维护期间对它进行调优。
F it runs infrequently or is not causing production issues and is part of the workload, we'll tune it for next week during our weekly maintenance.
然而，无论回调执行的多快，这种解决方案的问题都始终存在：只要debugger一启动，所调试Ruby程序的每一行代码都会承受额外的开销。
However, no matter how fast the callback is executed, the problem of this solution remains: as soon as the debugger is started, every line of Ruby code incurs an overhead.
DBA需要全面的前瞻性的性能和调优工具，从而帮助他们解决当前的性能问题和避免以后的性能问题。
You need comprehensive and proactive performance and tuning tools to help you to resolve immediate performance issues as well as to help avoid future performance issues.
新解析器在一个ILocationResolver中存储额外的解析信息(问题、节点位置)，而不是存储在回调对象中。
The new parsers store additional parsing information (problems, node locations) in an ILocationResolver instead of a callback object.
调优InformixSQL时要考虑许多性能问题。
There are many performance issues to consider when tuning Informix SQL.
因此，通过将字段重构回初始值，总可以 “回调”旧值，取决于观察问题的角度，这可以说是一个特性，也可以说是一个bug。
So, once again, you can always "call back" old values by refactoring the field to the original value, which can either be viewed as a feature or a bug, depending on your point of view at the time.
问题在于，这样的行情会引发回调吗？
应用推荐