Detailed Parse and Reproduce Response Flags of Istio Access Log Based on Productio...
Talkat KubeCon + CloudNativeCon + Open Source Summit China 2023 · on Wednesday, 2023-09-27· at 15:50· 3层 305B会议室| 3F Room 305B·
summary
Explains how Istio/Envoy access log Response Flags (examples: DC, UF, UH) indicate specific failure scenarios and shows reproduction of 10+ production cases to analyze when each flag appears and how to use them for fault diagnosis and root-cause isolation. Also parses six time-related access-log fields and demonstrates using those timestamps to pinpoint which part of the request path causes latency.
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