DevOps Articles

Java Logging Frameworks: log4j vs logback vs log4j2

If you ever had to analyze an issue in production, I’m sure you know how important it is to have good logging. Good logging requires three things: The log messages need to provide the required information to understand what the application does internally. Writing log messages has to be as efficient as possible so that it doesn’t affect the performance of your application.

So like Logback, Log4j2 provides support for SLF4J, automatically reloads your logging configuration, and supports advanced filtering options.

Log4j, Logback, and Log4j2 are good logging frameworks that are broadly used.