症状目录对匹配日志记录和其他信息进行映射，并提供解决问题的建议和操作。
The symptom catalog maps matching log records with additional information including recommendations and actions to resolve the problem.
经常碰到的问题是，对每个应用程序使用单独的日志文件比较可取，还是将所有应用程序的日志记录合并到单一的输出文件中比较可取。
The question is often asked whether it is preferable to use a separate log file for each application, or to combine the logging from all applications into a single output file.
这就产生了一个尖锐的问题，即日志文件记录所有租户事件，无法容易地把单个租户的信息剪裁出来。
This gives rise to an acute prob-lem: log files record all tenant events and can't easily be pruned for a single tenant.
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.
类加载被沙箱化到每个捆绑包，因此日志记录框架这样的依赖项在捆绑包之间即使不同也不会导致问题。
Class loading is sandboxed to each bundle, so dependencies such as logging frameworks can be different between bundles without causing problems.
还介绍一些日志记录机制和故障排除技术，可以使用它们诊断和解决WebSphereBusinessEvents V6.2.1的一些常见问题。
It also describes available logging mechanisms and troubleshooting techniques you can use to diagnose and resolve some of the common problems you may encounter with WebSphere Business Events V6.2.1.
问题出在从del.icio.us 中提取RSS提要的代码，因此在那里添加了日志记录，如下所示。
The problem was in the code that was pulling down the RSS feed from del.icio.us, so logging was added there, as shown below.
现在，我们最后来了解一下ext3文件系统是如何高效地提供元数据和数据日志记录，以避免在本文前面部分所描述的数据毁坏问题的。
And now, we finally get to see how the ext3 filesystem effectively provides both metadata and data journaling, avoiding the data corruption problem I described earlier in this article.
此日志中的数据包含关于连接到系统的设备的信息，以及在启动和操作过程中系统记录的任何错误和问题的信息。
The data in this log contains information about the devices connected to the system and any faults and problems recorded by the system during the boot and operational process.
如果您知道日志记录活动如何影响数据库和操作系统，就能够成功且有效地排除由于日志记录错误而产生的问题。
If you know how logging activities affect your database and operating system, you will be able to successfully and efficiently troubleshoot the problems that can arise from logging errors.
日志文件可能变得很大，在许多情况下，您需要保存计算机上事件的历史记录，以便解决问题。
Log files can grow very large and in many cases you will want to keep an historical record of events on your machine for problems.
另一种避免同步问题的方法是，分配一个很大的全局内存块，并将其划分为较小的槽位，其中每个槽位都可由一个线程用来进行日志记录。
Another way to avoid synchronization issues is to allocate a large chunk of global memory and break it into smaller slots, where each slot is to be used by one thread for logging.
在记录产品环境中的日志时，除了技术方面的挑战之外，还存在一些业务问题需要克服。
Besides technical challenges, there are also business issues that you need to overcome when logging in a production environment.
为了避免这个问题，应用程序应该具有一组专用的日志记录程序，它们都进行了独特的分类，如清单3所示。
To avoid this problem, an application should have a set of specialized loggers with distinct categories, as Listing 3 illustrates.
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?
循环日志记录通常在数据仓库环境中使用，在该环境中，恢复数据库需要的只是恢复数据库映象的问题。
Circular logging is typically used in data warehouse environments where the need to recover a database is just a matter of restoring a database image.
这日志会展示出玩家他们角色的专属背景，而且在游戏里这个角色的一生所回答的问题都会记录在案。
This shows the player their character's individual background, with all of the biography answers incorporated into the story of their life.
应该清楚的主要性能问题是，由于可恢复性的原因，生成的值必须做日志记录。
The main performance issue to be aware of for identity and sequence is that, for recoverability reasons, generated values must be logged.
为了快速识别和减少SOA实现中的问题，特别是涉及到复杂流程流时，推荐使用日志记录。
In order to quickly identify and narrow down on problems within SOA implementations, especially when involved in complex process flows, the use of logging is recommended.
如果应用程序的性能从整体上来看比较差，那么应激活日志记录功能来通过日志消息时间戳识别发生问题的位置。
If your application performs poorly in general, activate logging to try to identify problem areas through log message timestamps.
在本文中，我们讨论了如何执行WebSphereBusinessEvents故障排除、如何使用可用的日志记录机制以及如何解决常见的问题。
In this article we addressed how to perform WebSphere Business Events troubleshooting, how to use the available logging mechanisms, and how to debug common problems you may encounter.
此外，ClearQuest记录所有的问题和缺陷的日志，确保无缝且容易参考的测试过程。
Further, all issues and defects are logged through ClearQuest, ensuring a seamless and easily referable testing process.
把JRas日志记录添加到一个应用程序的所有类中，WebSphere管理员就可以方便地生成跟踪文件，用它记录出现的问题。
Adding JRas logging to all an application's classes allows WebSphere administrators to conveniently generate trace files documenting problems that arise.
在您对WebSphereApplicationServer进行故障诊断时，日志记录工具很可能是您使用的第一项问题确定功能。
The logging facility is most likely the first problem determination feature you will encounter when troubleshooting WebSphere Application Server.
如果这成为了问题，那么您可以配置AutomaticDataCollection，限制NSD发送的附件和记录到FaultReports数据库的控制台日志的大小(参见图3)。
If this becomes a problem, you can configure Automatic data Collection to restrict the size of attachments sent by NSD and the console log to the Fault Reports database (see figure 3).
我将分析一个实现日志记录和性能度量相结合的aspect，以观察将aspect范式应用到这种类型的问题的情况。
I'm going to look at implementing a combined logging and performance metric aspect to see how well the aspect paradigm applies to this type of problem domain.
既然我们对这个问题已经有了一个总的很好的理解，让我们来看ext3是如何实现日志记录的。
Now that we have a good general understanding of this problem, let's look how ext3 implements journaling.
server指向要运行的脚本或可执行程序，log_type指定更高的日志记录级别，这有助于解决服务中的任何问题。
Server points to the script or executable to run, while log_type specifies additional logging to help iron out any wrinkles in the service.
然而，如果您正在排除统一消息服务器的问题，则您可能必须增加诊断日志记录级别，以帮助查找问题来源。
However, if you are troubleshooting an issue on a Unified Messaging server, you may have to increase the diagnostic logging level to help you locate the source of the problem.
当角色回答了传记上的开始的那些问题，那些回答就会记录成历史页面，像日志一样可以被打开并且阅读。
When a character answers the initial questions of their biography, those answers are recorded as a history page that can be opened and read like a journal.
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