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KEDA: Event-Driven Autoscaling & Scale-to-Zero on K8s

DevOps

August 202610 min read

KEDA: Event-Driven Autoscaling & Scale-to-Zero on K8s

How I autoscale Kubernetes with KEDA on queue depth, Kafka lag, Prometheus, and cron instead of CPU — scaling event-driven workers to zero, and the cold-start trade-off that comes with it.

Kubernetes In-Place Pod Resize: CPU & Memory No Restart

DevOps

August 20269 min read

Kubernetes In-Place Pod Resize: CPU & Memory No Restart

How Kubernetes in-place pod resize changes CPU and memory on a running pod without a restart — the resize subresource, resizePolicy, and VPA InPlaceOrRecreate, from beta in v1.33 to GA in v1.35.

kubectl debug: Fix CrashLoopBackOff & Distroless Pods

DevOps

August 20269 min read

kubectl debug: Fix CrashLoopBackOff & Distroless Pods

You can't exec into a distroless pod or one stuck in CrashLoopBackOff. Here is how I use kubectl debug, ephemeral containers, --target, and --copy-to to get a shell anyway.

Distributed Locking with Redis Redlock in Node.js

Backend

August 20269 min read

Distributed Locking with Redis Redlock in Node.js

The multi-instance mutual-exclusion problem, the Redlock quorum algorithm, node-redlock with TTL auto-extension, why fencing tokens matter, and when a Postgres advisory lock wins.

Speculation Rules API: Instant Prerender and Prefetch in Chrome

Web Dev

August 20269 min read

Speculation Rules API: Instant Prerender and Prefetch in Chrome

How I use the Speculation Rules API to prefetch and prerender pages in Chromium — the JSON syntax, eagerness levels, document rules, and how it differs from Next.js Link prefetch.

JavaScript Temporal API: The Modern Replacement for Date

Web Dev

August 20269 min read

JavaScript Temporal API: The Modern Replacement for Date

Why the Date object is broken and how Temporal fixes it with immutable types, first-class time zones, and DST-safe math — plus the current browser status.

Showing 187–192 of 594 posts

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