Further Reading

Everything I write on logging is going to be here:

• Terse Systems

Best Practices

Many of these are logback specific, but still good overall.

• 9 Logging Best Practices Based on Hands-on Experience
• Woofer: logging in (best) practices: Spring Boot
• A whole product concern logging implementation
• There is more to logging than meets the eye
• Monitoring demystified: A guide for logging, tracing, metrics
• Application-Level Logging Best Practices

Stack Overflow has a couple of good tips on SLF4J and Logging:

• When to use the different log levels
• Why does the TRACE level exist, and when should I use it rather than DEBUG?
• Best practices for using Markers in SLF4J/Logback
• Stackoverflow: Logging best practices in multi-node environment

Level Up Logs

Alberto Navarro has a great series

1. Introduction (Everyone)
2. JSON as logs format (Everyone)
3. Logging best practices with Logback (Targetting Java DEVs)
4. Logging cutting-edge practices (Targetting Java DEVs) 
5. Contract first log generator (Targetting Java DEVs)
6. ElasticSearch VRR Estimation Strategy (Targetting OPS)
7. VRR Java + Logback configuration (Targetting OPS)
8. VRR FileBeat configuration (Targetting OPS)
9. VRR Logstash configuration and Index templates (Targetting OPS)
10. VRR Curator configuration (Targetting OPS)
11. Logstash Grok, JSON Filter and JSON Input performance comparison (Targetting OPS)

Logging Anti Patterns

Logging Anti-Patterns by Rolf Engelhard:

• Logging Anti-Patterns
• Logging Anti-Patterns, Part II
• Logging Anti-Patterns, Part III

Clean Code, clean logs

Tomasz Nurkiewicz has a great series on logging:

• Clean code, clean logs: use appropriate tools (1/10)
• Clean code, clean logs: logging levels are there for you (2/10)
• Clean code, clean logs: do you know what you are logging? (3/10)
• Clean code, clean logs: avoid side effects (4/10)
• Clean code, clean logs: concise and descriptive (5/10)
• Clean code, clean logs: tune your pattern (6/10)
• Clean code, clean logs: log method arguments and return values (7/10)
• Clean code, clean logs: watch out for external systems (8/10)
• Clean code, clean logs: log exceptions properly (9/10)
• Clean code, clean logs: easy to read, easy to parse (10/10)
• Condensed 10 Tips on javacodegeeks

JSON Logging

• Logging in JSON
• Write Logs for Machines, not Humans

Maple

• Maple

Eliot

• Eliot
• Eliot Tree

TreeLog

• Treelog

Bunyan

Bunyan stands out for a number of innovations: ring buffers and JSON specifically.

• Bunyan
• Comparison of Winston and Bunyan
• Service logging in JSON with Bunyan
• Bunyan Logging in Production at Joyent

Timbre

• Timbre

Logback Encoders and Appenders

• concurrent-build-logger (encoders and appenders both)
• logzio-logback-appender
• logback-elasticsearch-appender
• logback-more-appenders
• logback-steno
• logslack
• Lessons Learned Writing New Logback Appender
• Extending logstash-logback-encoder