CODEWITHSUNDEEP
javaspringloggingspring-cloud-sleuthopen-telemetry
Sumit Desai
Sumit Desai

Reputation: 1760

How to set different logging levels in openelemetry-java?

We are planning to use open-telemetry as the logging tool in a new Spring-boot based micro-service. We have explored two ways to use otel, first is using manual instrumentation provided by Java and other is using Spring-cloud-sleuth using @NewSpan annotation However, I could not find a way to specify different logging levels like INFO/ERROR/DEBUG. We need to have an ability to control and restrict the excessive logging. However, additional debug logs can help in troubleshooting if required. How can we set the logging levels with open-telemetry java or spring-sleuth?

Uodate: As commented by @Jan , I was getting confused between tracing and logging. However, I can not find any documentation about support for logging with opentelemetry-java. Is there any way to do it? Also, if we use different tools for tracing and logging, will it be considered a bad practice?

Upvotes: 2

Views: 2020

Answers (1)

Mateusz Rzeszutek
Mateusz Rzeszutek

Reputation: 186

So generally how do we use combination of tracing and logging? Can we use different frameworks for both? For example, if we use open-telemetry for tracing and slf4j/log4j for logging, will it be considered a bad practice?

OpenTelemetry will never have a "logging" API meant to be used by ordinary users, it is supposed to capture logs produced by actual logging libraries (like log4j or logback).

OpenTelemetry support for logs is still in the alpha state (meaning that the logging SPI/SDK might still change in non-backward compatible ways), but we already have dedicated OpenTelemetry appenders for several of the most commonly used logging libraries, like log4j or logback. You should be able to use these and expect relatively little breaking changes.

Upvotes: 2

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