database-backup-restore（数据库备份恢复）

Database Backup & Restore

Table of Contents

• Overview
• When to Use
• Quick Start
• Reference Guides
• Best Practices

Overview

Implement comprehensive backup and disaster recovery strategies. Covers backup types, retention policies, restore testing, and recovery time objectives (RTO/RPO).

When to Use

• Backup automation setup
• Disaster recovery planning
• Recovery testing procedures
• Backup retention policies
• Point-in-time recovery (PITR)
• Cross-region backup replication
• Compliance and audit requirements

Quick Start

pg_dump - Text Format:

# Simple full backup
pg_dump -h localhost -U postgres -F p database_name > backup.sql

# With compression
pg_dump -h localhost -U postgres -F p database_name | gzip > backup.sql.gz

# Backup with verbose output
pg_dump -h localhost -U postgres -F p -v database_name > backup.sql 2>&1

# Exclude specific tables
pg_dump -h localhost -U postgres database_name \
  --exclude-table=temp_* --exclude-table=logs > backup.sql

Reference Guides

Detailed implementations in the references/ directory:

Best Practices

✅ DO

• Follow established patterns and conventions
• Write clean, maintainable code
• Add appropriate documentation
• Test thoroughly before deploying

❌ DON'T

• Skip testing or validation
• Ignore error handling
• Hard-code configuration values