#performance-tuning

2 posts tagged with #performance-tuning

Every article below is hand-written, technically reviewed, and focused on performance-tuning. Posts cover real-world architecture decisions, code-level implementation patterns, and trade-offs you'll only discover after shipping production systems.

postgres psql terminal linux server — illustration for article on Transparent Huge Pages + Postgres: Stop Cloud and DevOps

Transparent Huge Pages + Postgres: Stop P99 Latency Cliffs [2026]

THP isn’t “free performance” for Postgres. Here are the exact Linux settings to avoid p99 latency cliffs, plus a validation loop and Kubernetes guardrails.

10 min read
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postgresql database server terminal linux — illustration for article on PostgreSQL Performance Halved on Linux Kernel Technology

PostgreSQL Performance Halved on Linux Kernel 6.8: The THP Bug Every DBA Needs to Know [2026 Guide]

Linux Kernel 6.8's changed Transparent Huge Pages behavior silently cuts PostgreSQL throughput by up to 50%. Here's how to diagnose it, fix it, and make it stick across reboots.

14 min read
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