Cees Bos
OpenValue - Java Developer, Observability Engineer & SRE - Grafana Champion
Putten, The Netherlands
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Observability enthusiast and Grafana Champion, always looking for ways to improve software with better observability and what new insights can be gained. Delivering reliable software is always my priority. Combining existing tools often results in new ways to get an even better view. I work for OpenValue as a software & observability engineer and SRE.
Area of Expertise
Topics
How I solved production issues with OpenTelemetry (and how you can too)
In today's fast-paced world, ensuring the reliability of your Java applications is critical. But how do you effectively identify and resolve production issues before they escalate? With cloud-native applications, it can be even more difficult because you can't log into the system to get some of the data you need. The answer lies in observability - and more specifically, OpenTelemetry.
In this session, I'll take you behind the scenes of several production problems I've solved using OpenTelemetry. You'll learn how I uncovered critical problems that were invisible without the right telemetry data - and how you can do the same. From tracking down elusive bugs with traces to uncovering system bottlenecks with metrics, OpenTelemetry provides the tools you need to truly understand what's happening in your application in real time.
A key concept in all this are traces, especially in microservices landscapes. Architecture diagrams often don't tell the whole story. I'll show you how these traces can help you build a service graph and save you hours in a crisis. A service graph gives you the overview and helps you to pinpoint where to look for problems.
Whether you're new to observability or an experienced professional, this session will give you the practical insights and tools (like Grafana) to dramatically improve the observability of your application - and change the way you handle production issues. Solving problems is much easier when you have the right data at your fingertips.
My goal for the attendees of this session is to get them excited about using OpenTelemetry (the industry standard) as a way to improve observability, so they can learn from their own software in production and improve what is needed.
And I will show how to use Grafana to visualise the data, as I believe that visualisation is a very powerful way to get more insights.
ING Reliability Event
Presentation about Application Observability at ING. A plugin developed with Grafana Scenes for Grafana to get more insights in the whole landscape, mainly based on trace information, span metrics and service graph metrics.
Goal is to be able to help analysis on what is happening with services and the chain of services.
GrafanaCON
How visualizing logs converted to traces can uncover performance problems
Interruptions in a service and no clue why it happened? Visualizations help to identify problems and give more insight into how a service actually behaved. In some situations, logging is supported, but traces that can help find root cause are missing. What if you could turn logs into traces? In this talk, OpenValue Software Engineer and SRE Cees Bos will show how to transform log files from two interacting services into custom traces and load them into Grafana, identify problems that are not visible without created traces, and then verify that the subsequent fixes worked. Problem hunting isn’t always easy, but tools like Promtail, Loki, logcli, and the trace visualization in Grafana can be used to find issues in an uncommon way if the common way is not good enough.
https://grafana.com/events/grafanacon/2024/transform-log-files-into-custom-traces-to-identify-performance-issues/
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