Table of Contents
Why Redis?
Redis is an in-memory data structure store that can be used as a database cache for WordPress. It stores the results of database queries in RAM, so your site does not have to query the database on every page load. The result: your site loads 10-100x faster for returning visitors.
Installation
# Install Redis server
sudo apt install redis-server
# Install PHP Redis extension
sudo apt install php-redis
# Configure Redis for WordPress
sudo sed -i "s/# maxmemory /maxmemory 32mb/" /etc/redis/redis.conf
sudo sed -i "s/# maxmemory-policy noeviction/maxmemory-policy allkeys-lru/" /etc/redis/redis.conf
# Restart services
sudo systemctl restart redis-server php8.3-fpm
# Verify
redis-cli PING
# Should return: PONG WordPress Plugin Setup
- Install “Redis Object Cache” plugin by Till Krüss
- Activate the plugin
- Go to Settings > Redis
- Click “Enable Object Cache”
Redis turned my WordPress site from “slow and clunky” to “scary fast.” The difference was night and day.
Excellent article! The benchmarks are exactly what I needed for my decision making.
Thanks for the feedback!
Agree with the question – it handles moderate concurrency well.
Thanks for the detailed breakdown. The Redis section alone saved me hours of debugging.
Thanks for the feedback!
Agree with the question – it handles moderate concurrency well.
I have been using this stack for 6 months now and can confirm the numbers are real.
Thanks for the feedback!
Agree with the question – it handles moderate concurrency well.
Great write-up! One question about WooCommerce integration?
Thanks for the feedback!
Agree with the question – it handles moderate concurrency well.
The SQLite approach is interesting. How does it handle concurrent writes?
Thanks for the feedback!
Agree with the question – it handles moderate concurrency well.
Bookmarked! This is exactly the kind of practical content I have been looking for.
Thanks for the feedback!
Agree with the question – it handles moderate concurrency well.
Love the cost comparison table. Hetzner really is unbeatable.
Thanks for the feedback!
Agree with the question – it handles moderate concurrency well.