When using circular logging log file extents are reused once they no longer contain active log data.
使用循环日志记录时，当日志文件扩展不再包括活动数据日志时，会将其进行重新使用。
Although the first two command types perform no action within the kernel, the rest are used to read log messages or control aspects of logging.
虽然前面两个命令类型不会对内核进行任何操作，但是其余命令则是用于读取日志消息或控制日志。
The stand-alone example adds the log messages to an HTML logging pane.
这个单独的例子将日志消息添加到一个HTML日志窗格上。
Logging is faster - Performance with the logger is improved by asynchronous log writes.
日志记录速度更快—通过异步日志写操作提高日志记录器的性能。
If, however, logging is used for auditing purposes, missing log entries might not be tolerable, which leads to the second kind of logging: business critical logging.
然而，如果日志是用来审计，那么遗失日志记录将是不可接受的，这就要用到第二种类型的日志：关键业务日志。
Before getting into specifics about what to log, let's set up the basics for logging.
在说明需要记录哪些信息的细节之前，让我们先来设置日志的基本信息。
With archive logging, if you don't move old log files from the active log directory, they will accumulate and share the directory with the active log files.
使用归档日志记录时，如果您没有把旧的日志文件从活动日志目录中移走，它们将累积起来，并与活动日志文件共享该目录。
Unfortunately, critical log messages — informational and business-critical logging — are seldom treated with care in today's systems.
不幸的是，在目前系统在，一些重要的日志消息，(可能是一般信息日志或关键业务日志)，很少被认真处理。
Logging is typically used for noting important events that you want to track in your log files. Logging is used to indicate.
日志记录通常用于在日志文件中记录您希望跟踪的重要事件。
It also USES the log service (Logging) on the log service node, sending log messages with different atomicity levels.
它同样可以使用日志服务节点上的日志服务(Logging)，发送不同事务原子级别的日志信息。
WebSphere Portal provides analytics logging by writing events to a dedicated log, similar to the logging for analyzing a server delivering static pages.
WebSpherePortal通过将事件写到专用日志来提供分析日志记录，类似于用于分析交付静态页面的服务器的日志记录机制。
Logging (for example, log utilization).
日志(如日志利用率)。
To use this additional logging, append the keyword and the value to the log level parameter, separated by a colon (:).
要使用这些额外的日志记录，将关键字和值附加到日志级别参数，用冒号(：)分割。
You could create a custom logging file and write log messages to it, but why not use the tools that have already been provided for you?
您可以创建自定义日志记录文件并向其中写入日志消息，但是为什么不使用已经提供给您的工具呢？
Creation of the logging service so you can log inside the test methods.
日志记录服务的创建，以便您能够在测试方法中记录日志。
When using linear logging on the other hand log file extents will be continually allocated as required.
另一方面，使用线性日志记录时，将根据需要继续分配日志文件扩展。
But with a logging database, we are going to log every operation we perform.
但是，通过日志数据库，我们正在记录所执行的每个操作。
Be sure to turn on TRACE logging and watch the log output, which reveals details of the application not discussed in the article.
一定要打开TRACE日志记录，查看日志输出，日志会揭示本文中没有讨论的应用程序细节。
The last thing we need to do in this add-on is to configure project logging and set up the log level to trace.
我们在该附加组件中需要做的最后一件事是配置项目日志，并设置要跟踪的日志级别。
A transaction runs and USES up all five primary log files but is still logging transactions.
事务正在运行，并用完所有五个主日志文件，但仍将记录事务。
In contrast to circular logging, the archival logging process creates a new log file when the last log file is filled so that future transactions will not overwrite existing log files.
与循环日志记录相比，当最后一个日志文件写满时，归档日志记录过程会创建一个新的日志文件，这样将来的事务就不会覆盖现有的日志文件。
Large enterprise applications — like application servers, testing applications, or online systems with transactional logging — generate a huge number of log files.
大型企业应用程序——像应用服务器、测试应用程序或者带有事务性日志的在线系统——生成大量日志文件。
We wanted logging statements to go to a dedicated log file (or possibly multiple different files), perhaps with those log files rolled on a daily basis.
我们希望把记录语句输出到专门的日志文件中(如果可能的话，多个不同文件)，也许可以每天覆盖日志。
Once you've chosen the logger and established the logging level, you can start building your log message.
一旦选定日志记录程序并建立起日志级别之后，就可以开始构建日志消息了。
This is called log retention logging.
这称为日志保留记录。
The logging server then persists all log messages that require atomicity or semi-atomicity.
然后日志服务器持久化所有事务原子性和半原子性的日志消息。
For performance reasons, whichever mechanism is used, the application should be coded to first check if a given level of logging is enabled before constructing the actual log messages.
出于性能原因，无论使用哪种机制，在构建实际日志消息之前，应对应用程序进行编码，首先检查是否启用给定的日志记录级别。
The value of 0 disables logging into the log file.
值0表示禁止记录到日志文件中。
With transaction logging enabled, the system captures database changes and writes them to the transaction log.
通过对事务日志的支持，该系统可以捕获数据更改，并将其写入事务日志。
For online backup (using archive logging), the threshold of the log space used is triggered.
对于在线备份(使用存档日志)，达到使用的日志空间的阈值。
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