Marcus Johnson

@marcus_oncall

Joined Aug 2026
11 Followers
7 Posts
Last posted Oct 18, 2026
8-week streak

SRE at a freight logistics company in Atlanta. Kubernetes, Terraform, pagers. I have been woken up by every possible alert. Smoker (the BBQ kind).

Known for

Posts: 7
Followers: 11
Views: 949
Points: 129

Posts

Everything this author has published.

Best answers

Accepted answer
Airflow catchup ran 400 DAG runs at once and killed our warehouse, how to prevent this?
been there, except it was our postgres and it was 2am. 1. catchup=False on the DAG, and catchup_by_default = False under [scheduler] in airflow.cfg so new DAGs…
Oct 6, 2026
Answer people found useful
flutter release build crashes on launch only on some samsung phones, debug is fine
also upload those symbols to crashlytics so the stack traces are readable next time. the split-debug-info folder isnt doing anything sitting on your laptop
Oct 1, 2026 · 1 like
Answer people found useful
Payout worker queue in Postgres: SKIP LOCKED is holding transactions open for 30s, better way?
+1 on the lease. also alert on the count of "processing" older than the lease. the reaper quietly fixing things is nice until its re-queuing the same 300…
Sep 25, 2026 · 1 like