Five Logstash gotchas that wedged me in production

PQ on NFS, JDBC interval arithmetic, DLQ subdirs, queue.max_bytes math, trailing semicolons

LLMs will confidently tell you to strip your bike pedals

I asked ChatGPT how to remove my bike pedals instead of just googling it. It gave me the wrong direction, I almost stripped the threads, and I ended up calling my mechanic anyway.

Sandboxing Claude Code in Docker with read-only AWS credentials

How to run Claude Code in a container that can investigate AWS incidents but never modify anything

OpenSearch .keyword sub-fields have a hard 32,766-byte limit

If a document exceeds 32,766 bytes in a keyword field, OpenSearch rejects indexing with a non-retriable error