You may have thought about changing the cache folder location of your Kayako Classic installation to improve its performance and responsiveness. This article provides the answer to this concern.
Changing the cache folder location of your Kayako Classic installation is not possible. To improve performance and responsiveness related to caching, we strongly recommend that your web server has a PHP cache accelerator like XCache, APC, Zend OpCache, or eAccelerator installed.
Kayako accesses many scripts spread across many files for each connection. If you do not have a PHP cache accelerator, you may find the application to be less responsive. If you have a cache accelerator installed and still having this issue, consider fine-tuning your web server. This requires your web server administrator's attention.