Structured Logging

Structured Logging

See also:

• Core Concepts

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Runtime structured output

JSON/XML directly at runtime.

Controlled by:

• OutputFlags::Format
• config ("format": "json")

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Custom fields

structured_fields allows renaming.

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Streaming nature

• JSON → JSONL
• XML → fragments

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Post-processing

logmefmt converts logs:

logmefmt --input app.log --output app.json --finalize

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When to use

Runtime:

• real-time ingestion

logmefmt:

• offline conversion