Magento Version: 2.3.5-p1
MySQL Version: Percona Server (GPL), Release 10, Revision f446c04
PHP Version: 7.2.29
We have recently migrated from Magento 18.104.22.168 to Magento 2.3.3, then updated to Magento 2.3.5-p1. After searching in our catalog, we have noticed an issue - even with the majority of custom module disabled (the only active is a debug dev bar). We seem to be having issues with the Magento pagination showing all products, although this has been set to 15,30,45 in the back end for both grid and list. We have also tried with these values removed to allow magento to use its default values. This seems to be having the side effect of slowing our website down. How can we amend this?