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4h ago · 4 min read · PostgreSQL Replication Slots: Create, Monitor & Troubleshoot Of all the PostgreSQL production incidents I've encountered, orphaned replication slots causing disk exhaustion is the most preventable and the most destructive. A single forgotten slot can...
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1d ago · 4 min read · PostgreSQL Partial Indexes: Targeted Indexing for Faster Queries I recently reviewed a database where the orders table had a 400 MB index on the status column. 95% of the rows were 'completed' -- queries never touched them. The application only ever ...
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2d ago · 5 min read · PostgreSQL Table Partitioning: Range, List & Hash Strategies Last month I helped a team whose 400-million-row events table was causing cascading problems. VACUUM took 6 hours. Index builds required maintenance windows. Deleting 3 months of old data g...
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3d ago · 4 min read · PostgreSQL Connection Pooling: PgBouncer, Supavisor & Built-In The most common PostgreSQL production incident I see follows this pattern: application scales up, connections multiply, someone increases max_connections to 1000, and performance gets wor...
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4d ago · 5 min read · PostgreSQL GIN Indexes: JSONB, Arrays & Full-Text Search Here's a pattern I see constantly: a team stores flexible data in a JSONB column, writes queries that filter on specific keys, and everything is fast in development. Six months later, with mill...
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