PostgreSQL MVCC Autovacuum Starvation: HOT Update Breakdown & Table Bloat under Heavy Write Loads
Why HOT updates break under heavy writes, and how fillfactor and per-table autovacuum tuning fix table bloat
Oct 9, 20265 min read
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#backend
Articles tagged with #backend
Production AI & LLM Pipelines: Guardrails, Streaming Resilience, and Cost-Aware Fallbacks
Moving generative AI features from prototype scripts to mission-critical SaaS production requires far more than wrapping an OpenAI or Anthropic API client. Upstream API timeouts, rate-limit spikes, co
Oct 8, 20264 min readAdvanced System Architecture: Designing Multi-Tenant Event-Driven Queues with Fair-Share Scheduling
Fair-share scheduling, per-tenant virtual queues, and concurrency caps that stop noisy neighbors
Oct 7, 20265 min readZero-Downtime Database Migrations: Shadow Tables, Dual-Writing, and Schema Expansion
Shadow tables, dual-writes, and expand-contract schema changes without maintenance windows
Oct 6, 20265 min read