Ftw.structlog

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- Nothing changed yet.

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- Fluentd logging: Use K8s namespace in tag. [lgraf]

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- Add support for logging to Fluentd. [lgraf]

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- SQL query logging: Be more defensive in trying to annotate a request
that might not always be ready yet (e.g. during testing). [lgraf]

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- Log view name for browser views and REST API services.
[deiferni, lukasg]

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- Track query execution time if SQLAlchemy is present. [lgraf]