On a multisite network the object cache prefixes keys with the blog id unless the group is declared global, so data cached on one site is invisible to…
Every option with autoload set to yes is fetched in one query on every page load, so a plugin storing a megabyte there makes every request slower forever.…
Every option with autoload set to yes is fetched in a single query on every page load, and a plugin storing a megabyte there makes every request slower…
On a multisite network the object cache prefixes keys with the blog id unless the group is declared global, so data cached on one site is invisible to…
Profiling a slow WordPress page usually starts with guessing which plugin is responsible, and there is a command that answers it directly. Drilling from stage to hook to…
3.6 added lookup tables, which is WooCommerce admitting postmeta does not scale. What they contain, what they do not, and the regeneration nobody schedules.