11 Signal correlation
This chapter covers
- What we mean by signal correlation
- Why you need correlation
- How to implement correlation
- Challenges implementing correlation
Cloud-native systems are distributed systems, which refers to many services working together to handle a request. When many services are working together, it turns out it’s not always clear which service contributes to a failure or causes latency issues.
The four fundamental observability signal types (logs, metrics, traces, and profiles) each provide insights on their own; however, they typically can’t answer all of your questions. Remember, the goal of observability is to derive actionable insights from the signals. So what should you do if a single signal type doesn’t yield ...
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