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#postgres

Posts on tips and tricks, using and learning about PostgreSQL for database development and analysis.

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Risky email verdicts need routing before deletion

Risky email verdicts need routing before deletion

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7 min read
Stop mocking your database for integration tests

Stop mocking your database for integration tests

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4 min read
Sentry and Mandrill Both Went Down When Postgres Ran Out of Transaction IDs

Sentry and Mandrill Both Went Down When Postgres Ran Out of Transaction IDs

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9 min read
Why Patroni failover takes 26–49 seconds with default settings (and how to make it faster)

Why Patroni failover takes 26–49 seconds with default settings (and how to make it faster)

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5 min read
Your PostgreSQL Database Is Secure. But Are Your Tenants?

Your PostgreSQL Database Is Secure. But Are Your Tenants?

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1 min read
Your Database Has Permissions. But Can You Prove They're Working?

Your Database Has Permissions. But Can You Prove They're Working?

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1 min read
Our free-licence script prints a token on every run, and in a dry run that token is either real or imaginary

Our free-licence script prints a token on every run, and in a dry run that token is either real or imaginary

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6 min read
How We Cut Postgres p95 Latency from 914ms to 2ms (Serverless vs. Docker + PgBouncer)

How We Cut Postgres p95 Latency from 914ms to 2ms (Serverless vs. Docker + PgBouncer)

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5 min read
Composite Indexes in PostgreSQL & MySQL: Column Order Guide

Composite Indexes in PostgreSQL & MySQL: Column Order Guide

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7 min read
I Built an Open-Source Rust Proxy to Strengthen PostgreSQL Tenant Isolation

I Built an Open-Source Rust Proxy to Strengthen PostgreSQL Tenant Isolation

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2 min read
Your PostgreSQL Database Is Running Out of Headroom. What Should You Fix First?

Your PostgreSQL Database Is Running Out of Headroom. What Should You Fix First?

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4 min read
Code evolves quickly, databases remember everything

Code evolves quickly, databases remember everything

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1 min read
How to test Supabase RLS with two accounts (10 minutes, no tools)

How to test Supabase RLS with two accounts (10 minutes, no tools)

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3 min read
PostgreSQL high availability with only 2 servers: where the third vote comes from

PostgreSQL high availability with only 2 servers: where the third vote comes from

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5 min read
Docker Compose healthchecks: make depends_on actually wait for Postgres

Docker Compose healthchecks: make depends_on actually wait for Postgres

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12 min read
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