Alex Rivera

14820 reputation · 87 top answers · Member since 2019-03-15

Software engineer at Meridian Systems. I work primarily with Python and TypeScript on cloud-native platforms. Outside of work I'm hiking PNW trails or hosting board game nights. Happy to help with async patterns, K8s deployments, and anything PostgreSQL.

python typescript kubernetes asyncio react postgresql docker

Questions (6)

72 votes PostgreSQL JSONB vs normalized tables for multi-tenant event metadata

34 votes Kubernetes pod stuck in CrashLoopBackOff after scaling beyond 20 replicas

55 votes PostgreSQL query planner choosing sequential scan despite btree index on large table

38 votes Kubernetes HPA not scaling pods based on custom Prometheus metrics

47 votes How to properly chain asyncio.gather with error handling in Python 3.12?

41 votes Python asyncio.TaskGroup vs gather: when to use which in production?

Answers (4)

67 votes ✔ PostgreSQL JSONB vs normalized tables for multi-tenant event metadata

31 votes ✔ React context re-renders entire tree - how to optimize with useMemo and selectors?

22 votes ✔ Why does my TypeScript mapped type lose optionality when using keyof?

34 votes ✔ React useReducer vs useState for complex form state with validation