Mohammed Kassem

MAKcubes | Cache Nuke is a lightweight administrative utility designed to help site administrators clear WordPress core caching mechanisms during troubleshooting or maintenance.
The plugin focuses on: 
– Clearing WordPress transients. 
– Flushing the WordPress object cache when available. 
– Triggering cache purge hooks for some popular caching plugins, when those plugins are installed and expose public purge actions.
This plugin does not communicate with external services, does not include tracking or analytics, and runs only for authorized administrators.
<h3>License</h3>
This plugin is licensed under the GPLv2 or later.

MAKcubes | Cache Nuke

A lightweight utility plugin to clear WordPress core caches such as transients and object cache.

Mark Jaquith

APC Object Cache provides a persistent memory-based backend for the WordPress object cache. APC must be available on your PHP install.
An object cache is a place for WordPress and WordPress extensions to store the results of complex operations. On subsequent loads, 
this data can be fetched from the cache, which will be must faster than dynamically generating it on every page load.
The APC Object Cache backend is also compatible with <a href="https://wordpress.org/extend/plugins/batcache/" rel="ugc">Batcache</a>, the powerful full page caching engine that runs on WordPress.com
Be sure to read the installation instructions, as this is not a traditional plugin, and needs to be installed in a specific location.

APC Object Cache Backend

APC Object Cache provides a persistent memory-based backend for the WordPress object cache. APC must be available on your PHP install.

MAKcubes | Cache Nuke vs APC Object Cache Backend