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How to Enable Memcached and Turbo Cache on A2 Hosting via cPanel

  You are likely paying a premium for A2 Hosting’s "Turbo" plans to improve your Time to First Byte (TTFB) and handle high-concurrency traffic. However, there is a pervasive configuration gap in how these accounts are provisioned. While the LiteSpeed Web Server is active, the Object Cache layer—specifically Memcached—is often disabled at the PHP level by default. If you have installed the LiteSpeed Cache plugin but failed to manually enable the PHP extension, your "Turbo" features are running at half capacity. Your database is still getting hammered by redundant queries that should be stored in RAM. This guide provides the technical steps to enable the Memcached extension in cPanel and properly configure the LiteSpeed Cache (LSCache) plugin to utilize it. The Architecture: Why Your Cache is Failing To understand the fix, you must understand the failure point. A2 Hosting uses CloudLinux with CageFS to isolate accounts. While the Memcached daemon is running on the ser...