Logging
Output Link to heading
Fields Link to heading
- Timestamp
- Level name (human-readable) and number (to filter by greater or lesser).
- Filepath, line number, and function name to locate the source code.
- Process and thread IDs to debug concurrency issues.
Plaintext vs Structured Link to heading
- Plaintext
- pros: most commom; human-readable;
- cons: hard to parse;
- Structured
- pros: easy to parse; easy to search/filter/aggregate;
- cons: verbose; less human-readable (can be solved by showing only the message);
Structured formats Link to heading
- logfmt
- pros: more human-readable; less verbose;
- cons:
- JSON
- pros:
- cons: less human-readable; more verbose;
Tools Link to heading
Moved to My Toolbox - Logging, Python - Logging, and Django - Logging