Whenever you write a log, it’s important you choose the correct log level.

I personally mostly use ERROR, WARNING, INFO, or DEBUG (yes there are a few more).

Log levels TLDR

• ERROR: Parts of the flow failed, we want to send alerts to our on-call for this failures.


• WARNING: Doesn’t necessarily point to a failure, but an unexpected behavior that should

... See more

Langfuse is an open source observability & analytics solution for LLM-based applications. It is mostly geared towards production usage but some users also use it for local development of their LLM applications.

Langfuse is focused on applications built on top of LLMs. Many new abstractions and common best practices evolved recently, e.g. agents,... See more

Make debugging easier

There’s so many little tricks I’ve acquired over the years on making software easier to debug. If you don’t make any effort to make debugging easy, you’re going to spend unacceptable amounts of time debugging each issue, as your software gets more and more complex. You’ll be terrified to make changes because even a couple new... See more