Practical and Useful Latency Analysis using Istio and OpenCensus - Varun Talwar
summary
Claims that Istio/Envoy plus OpenCensus can find p95/p99 hotspots across hundreds of services with minimal code changes, by combining Istio (Envoy) sidecar instrumentation, OpenCensus libraries and Mixer aggregation. Demo shows automatic p50/p99 latency and error metrics, OpenCensus /rpcz pages for unsampled traces, and exporters to Stackdriver and Prometheus exporters; HTTP demo works today, gRPC support is still being finished. Planned features include Mixer subsampling, retroactive sampling, more client library integrations and mobile/web client tracing.
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chapters (8)
- 0:00Start
- 4:29Why is this hard?
- 6:06What does OpenCensus provide?
- 10:12Iz pages
- 11:48Tags
- 12:49How does this work at Google?
- 19:25Doesn't Envoy Provide This?
- 25:56What's coming next?
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