Observability Day 2025
2025-04-01
London, United Kingdom
as the organisers put it
Observability Day Europe has officially wrapped! Thank you to all the attendees who joined us. Watch keynotes and all breakout sessions on the CNCF YouTube Channel. Review session slides from speakers…
who it's for
observability engineers, platform engineers, site reliability engineers, logging engineers, engineering managers, security engineers
topics
OpenTelemetry Weaver tooling; OpenTelemetry Collector customization; Fluent Bit log shipping; encrypted telemetry TLS 1.3; centralized logging with Loki; OTLP endpoints and routing; scaling tracing to trillions of spans; OpenTelemetry continuous profiling; no-touch instrumentation techniques; serverless metrics at scale; container id resolution with cgroupv2; Prometheus and remote write 2.0
| title | author | length |
|---|---|---|
| Observability by Design: Leveraging OpenTelemetry Weaver To Take Control of Your Observability | osh Suereth, Laurent Querel | 23m |
OpenTelemetry Weaver is a CLI/docker tool that treats observability as a public API: it generates up-to-date Markdown docs, type-safe client SDK code (demoed… | ||
| Fluent Bit vs. OpenTelemetry Collector - Why Not Both? | Margaret Dawson | 07m |
Compares Fluent Bit and OpenTelemetry Collector as complementary tools and gives concrete tradeoffs: use Fluent Bit when you need a lightweight C agent for… | ||
| The Future of Observability: Trends, AI, and New Relic’s Vision f... | Harry Kimpel | 08m |
Demo shows a local Kong hybrid API gateway talking to a cloud Kafka producer/consumer and New Relic captures an end-to-end trace across services. OpenTelemetry… | ||
| Operationalizing Observability: The Invisible Parts | Hazel Weakly | 24m |
Argues that success hinges on politics and small wins not flashy tech: secure a non-engineering champion, prove ROI by showing what already delivers value… | ||
| Observability Day | Project Updates | 49m | |
Prometheus reports its busiest year, 25 new core maintainers, a V3 release with a redesigned UI, native histograms with custom buckets and Prometheus remote… | ||
| Observability Day | Welcome + Opening Remarks | Anna Kapuścińska, Austin Parker | 03m |
Welcome to Observability Day with brief housekeeping and community notes: the event thanks diamond sponsors Chronosphere and New Relic and lists platinum and… | ||
| From Legacy Vendor Tooling To OTEL: Scaling Observability at MSCI With a Four-Person Team | Aftab Khan, Zach Arnold | 28m |
Migrating a 5,000-person finance firm to an OpenTelemetry-centered stack that funnels logs, metrics, and traces into Prometheus, Jaeger, Grafana and… | ||
| From Chaos To Clarity: Scaling Observability at Dropbox With Centralized Logging Solution | Alok Ranjan | 28m |
Dropbox moves from on-host SSH logs to a centralized Loki-based pipeline that ingests ~10 GB/s (150 TB/day baseline), stores ~10 PB for 30 days on an internal… | ||
| OpenTelemetry at Delivery Hero: The Good, the Bad and the Vendor-Agnostic | Elena Kovalenko | 24m |
Delivery Hero aims to cut $6M/year and escape vendor lock-in by consolidating 13 acquired entities onto OpenTelemetry, but ends up running a zoo of collectors… | ||
| Lightning Talk: Who Are You? Solving the Container ID Resolution With Cgroupv2 | Vincent Boulineau | 11m |
Problem: with cgroupv2 and private cgroup namespaces /proc shows just “/” so the old trick of reading /proc/self/cgroup no longer yields container IDs. Common… | ||
| Observability Day | Closing Remarks | Anna Kapuścińska, Austin Parker | 01m |
Event closes with sponsor shoutouts naming Chronosphere IBM Grafana and New Relic, a post-conference reception located at S5 where attendees gather after… | ||
| Encrypted Telemetry in Transit | Jason Plumb | 24m |
Shows how to encrypt OpenTelemetry traffic end-to-end using off‑the‑shelf components: OpenTelemetry Collector, Java agent, OpenSSL and keytool. Demonstrates… | ||
| ⚡ Lightning Talk: From HAR To OpenTelemetry Trace: Redefining Your Observability | Antonio Jimenez Martinez | 12m |
Converts HAR page‑load output from ThousandEyes into OpenTelemetry traces and streams them to Jaeger via Kafka and two dedicated collectors, one that converts… | ||
| ⚡ Lightning Talk: Empowering OpenTelemetry Users With the OTTL Playground: Simplified Data Transformation and Testing | Edmo Vamerlatti Costa | 11m |
Demonstrates the OTTL Playground (https://ottl.run), a browser tool that runs the exact OTTL runtime via web assembly so statements behave like a live… | ||
| From Sampling To Full Visibility: Scaling Tracing To Trillions of Spans | Sonam Gupta | 16m |
Claims a move from Zipkin→OTel migration and 100% sampling for critical flows while keeping costs low, validated on a workload of 3 trillion spans/day where 1%… | ||
| The State of OpenTelemetry Profiling- Damien Matthieu, Elastic & Felix Geisendoerfer, Datadog | Damien Matthieu, Felix Geisendoerfer | 23m |
OpenTelemetry now defines a profiling signal with an eBPF receiver in Collector (donated June 2024) that can export profiles to Elasticsearch, file and other… | ||
| OTel-y Oops: Learning From Our Observability Blunders | Joe Stephenson, Rodney Karemba | 24m |
A Greenfield object storage project at Akamai over-instruments and floods the backend, producing a sudden spike (one incident shows ~38 million simultaneous… | ||
| Putting the Experience in UX: The Importance of Making Data Accessible | Adriana Villela, Marino Wijay | 21m |
Argues that OpenTelemetry pipelines and SDKs move beyond devops into HR, healthcare and air traffic control by treating processes as traces so each hiring step… | ||
| ⚡ Lightning Talk: Unlocking Customer-Centric Observability: A Case Study of OpenTelemetry To Reduce MTTD < 3 Mins | Kokilavani Kathiresan | 10m |
Claims a customer-centric pipeline built with an OpenTelemetry JavaScript wrapper, OpenTelemetry Collector, stream processing and an operational data lake that… | ||
| Beyond the Ephemeral: Mastering Serverless Metrics at Scale With Shopify | Pedro Tanaka | 23m |
Shopify builds a serverless metrics pipeline that runs OpenTelemetry collectors as sidecars, sending OTLP over the public internet into regional ingestion… | ||
| Demystifying Monitoring and Debugging on Windows Containers | Mansi Kulkarni, Ritika Gupta | 24m |
Demo deploys a Prometheus stack that uses Windows exporter on port 9182 with default CPU/memory/OS collectors plus optional container/process/net collectors, a… | ||
| From Logs To Insights: Real-time Conversational Troubleshooting for Kubernetes With GenAI | Tiago Reichert, Lucas Duarte | 28m |
Shows an open-source RAG pipeline that ingests systemd logs, Kubernetes events and app logs via Fluent Bit into Amazon Kinesis, triggers Lambda to encode with… | ||
| Beyond Root Cause Analysis for K8s: What Your Logs Should Be Telling You | Ronit Belson, Erez Rusovsky | 15m |
Claims that better RCA requires better data and shows concrete fixes: convert unstructured logs to structured fields, aggregate similar messages and sample… | ||
| The Art and Craft of No-touch Instrumentation | Michele Mancioppi | 27m |
Automatic OpenTelemetry agents get injected into containers using LD_PRELOAD injection and an init container delivered by a mutating admission webhook… | ||
| Transmissions From the Tweet Factory: How Observability Transformed Mobile Performance at Twitter | Hanson Ho | 23m |
Twitter builds on PerfTown logs then develops Production Client Tracing (PCT) optimized for mobile (spans, durable storage, minimal overhead) and integrates… | ||
| SLOs as an Organisational 'Check Engine' Light | Cail Young | 18m |
A team with an 18,000+ CI test suite for a monolith builds glue services and uses ReportPortal to cluster failures, runs a Monte Carlo analysis showing only… | ||
| Customize Your Own OpenTelemetry Collector: An Introduction To OCB | Evan Bradley, Pablo Baeyens | 24m |
OCB automates generating a Go-based OpenTelemetry Collector binary from a simple manifest, templating component factories and invoking standard go build; it… | ||
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