The evil increment_id? Or why MySQL is not using an index
by Danila Vershinin, February 17, 2018
Debugging guide to help you with your MySQL index optimization in Magento 1.x
Read More...PHP and HTTP caching
by Danila Vershinin, September 16, 2017
I figure there isn’t much all-in-one information on the subject and this will be a constant draft with my findings. PHP 7 and caching headers PHP itself alters Cache-Control headers only when all conditions are true at the same time during request: session_start() has been called session.cache_limiter has default value of nocache It adds 3 […]
Read More...PHP OPcache (ex. Zend OPcache)
by Danila Vershinin, September 22, 2016
PHP is fast. But not when you use CMS with hundreds of small PHP files. WordPress, Magento, Joomla are all great examples of popular CMS solutions, but you can find their performance extremely slow. This is due to the fact, that PHP is interpreted language. Each time a website page is requested, all those files […]
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