这个功能在下面这种情况下很有用：您想在一个目录中更改一个程序或配置文件，然后在另一个目录下的日志文件中查看结果。
This functionality could be useful if you wanted to change a program or configuration file in one directory and see the results in a log file in a different directory.
这将帮助处理程序获得特定于容器的增值功能的访问权，包括认证机制，事务处理，日志记录的框架等。
This will help a handler obtain access to container-specific value-added features, including authentication mechanisms, transaction processing, a logging framework, etc.
将日志和跟踪功能集成到应用程序中，不仅可以简化调试，同时可以使其他人在完成部署后更加方便地监视和调试应用程序。
Integrating logging and tracing into your application simplifies your debugging and also makes it easier for others to monitor and debug applications after they are deployed.
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