StackFeed — платформа свежих IT-новостей и туториалов
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Valkey 9.1's hash field TTL triples memory use for the pattern its own docs show
I measured Valkey 9.1's HSETEX/HEXPIRE hash field TTLs: the documented per-user-hash pattern costs 261 bytes/key against 87 for a plain string with EXPIRE, a 3x regression, while the intended one-hash-many-fields pattern only adds ~23 bytes per field.
750 Free Hours a Month, but a Month Is 730: 3 Free-Tier Mistakes That Took Down My App
A keep-alive cron, a serverless connection pool that never let go, and one irreversible click. How three reasonable free-tier decisions stacked into a production outage the night before a Play Store release — and exactly how I fixed each one.
I rented three servers, told nobody, and watched the internet break in anyway
Three fresh cloud IPs, given to no one, logged 3,480 unsolicited connection attempts from 860 hosts in 45 minutes. First contact came 48 seconds after boot, and 1,085 login attempts were IoT factory defaults.
Autoscaling Docker Containers Without Kubernetes: How Gubernator Scales CPU & GPU Workloads Automatically
Discover how Gubernator delivers declarative Horizontal Pod Autoscaling (HPA) for plain Docker Compose stacks with CPU and NVIDIA GPU metrics across multi-node clusters.
I bypassed my own Claude Code deny-list in eight ways. Only an allow-list held.
In April 2026 a coding agent at PocketOS hit a credential mismatch in staging, found an...
Teaching git diff to read JSON and YAML
A formatter reordered the keys in a Kubernetes manifest and git diff lit up six lines. One of them...