Memory Optimization in Redis
From the Redis cheat sheet · Performance & Optimization · verified Jul 2026
Memory Optimization
Memory management and optimization techniques
bash
# Memory commands
INFO memory # Memory statistics
MEMORY USAGE key # Memory used by key
MEMORY STATS # Detailed memory stats
MEMORY DOCTOR # Memory issues report
# Eviction policies
CONFIG SET maxmemory 2gb
CONFIG SET maxmemory-policy allkeys-lru💾 Choose correct eviction policy
📊 Use appropriate data structures
🗜️ Enable compression for large values
⏱️ Set TTL to auto-clean old data