SnapCache

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SnapCache accelerates WordPress by providing a fast, reliable persistent object cache backed by Memcached.
It dramatically reduces database load, speeds up page generation, and improves scalability under heavy traffic.

SnapCache is designed to be safe and fast.
See the Benchmarks section for performance results.

Features

• Persistent object cache using Memcached
• Automatic prefetching of frequently accessed keys
• WP-CLI commands for inspecting and managing the cache
• Continues to operate even if Memcached is unreachable

Benchmarks

Requests per second in a default WordPress installation. Comparison of object cache functionality only.

• SnapCache v1.0.0 with Memcached – 387.0 req/sec
• Redis Cache v2.7.0 – 367.1 req/sec
• LiteSpeed v7.6.2 with Redis – 218.6 req/sec
• LiteSpeed v7.6.2 with Memcached – 218.0 req/sec

Requirements

• WordPress 6.4 or later
• PHP 8.1+ with the Memcached extension installed
• At least one accessible Memcached server