conn-limits

Too many connections exhaust memory and degrade performance. Set limits based on available resources.

Skills
Databases
0

What it does and how to use it

A skill that teaches Claude Code to do databases tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/conn-limits && curl -fsSL https://doutorai.pt/data/lib/skills__conn-limits.md -o .claude/skills/conn-limits/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
title: Set Appropriate Connection Limits
impact: CRITICAL
impactDescription: Prevent database crashes and memory exhaustion
tags: connections, max-connections, limits, stability
---

## Set Appropriate Connection Limits

Too many connections exhaust memory and degrade performance. Set limits based on available resources.

**Incorrect (unlimited or excessive connections):**

```sql
-- Default max_connections = 100, but often increased blindly
show max_connections;  -- 500 (way too high for 4GB RAM)

-- Each connection uses 1-3MB RAM
-- 500 connections * 2MB = 1GB just for connections!
-- Ou

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