Logging Framework

From in-process logger to fleet-wide pipeline: node agents, Kafka buffering, hot/cold storage, sampling, PII redaction and back-pressure

A low-level design worked end to end in Python — from the reasoning you'd show an interviewer through to the production architecture.

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Page	What's in it
Thought Process	How to reason about this design in an interview
Implementation	Full annotated source with the patterns called out
High-Level Design	Architecture, scaling and failure modes
Interview Questions	Follow-up questions with worked answers

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Runnable source: logging_framework.py

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