Explain distributed tracing and debugging a cross-service latency spike
Trace IDs, spans, critical path, dependency map, bottleneck hypothesis.
Atlassian Software Engineer candidates frequently report (Kafka focus): Java, System Design, Kafka, Behavioral Round.
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Trace IDs, spans, critical path, dependency map, bottleneck hypothesis.
Young/old gen, G1/ZGC trade-offs, metaspace, and one incident you debugged.
Impact, urgency, risk, communicate trade-offs.
Hash map of last index; O(n) time, O(k) space.
Token bucket vs sliding window; Redis; 429 handling; per-tenant keys.