# À quoi sert Apache log4j ? À quoi sert Apache log4j ? ##### Post Metadata

# Is log4j open source? Is log4j open source? ##### Post Metadata

# What are the format characters used in log4j? What are the format characters used in log4j? ##### Post Metadata

# What is difference between log4j and log4j2? What is difference between log4j and log4j2? ##### Post Metadata

# What is log4j used for? What is log4j used for? ##### Post Metadata

# What is the best performance tips for logging with log4j2 with spark? Spark jobs are very expensive and hefty parallelism sometimes make it difficult for the logging framework to cope up. What is the best strategy to improve without impacting application performance and with help of less resource consumption. ##### Post Metadata - Net upvotes: 1

# How do I add dynamically values into logs ##### Post Metadata - Net upvotes: 1

# Salut, je veux utiliser des couleurs lors de l'impression des journaux. Un exemple de configuration ? Je veux mettre en évidence certains incidents avec des couleurs qui faciliteront notre débogage. Pourrait-on fournir des exemples pour imprimer des couleurs ? ##### Post Metadata - Net upvotes: 1

# Can we do it with annotations? Enable annotations based configs and logs without the use of 3rd party libraries ##### Post Metadata - Net upvotes: 1