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On every request WordPress fetches all options with autoload set to yes in one query, unserialises the lot and holds it as a single alloptions entry. That is…
A dated directory per night is the easiest backup scheme to reason about and the fastest way to fill a disk: seven copies of a 40 GB document…
MySQL 5.1 caches the complete result of a SELECT, keyed on the exact query text, and it is on by default. The part that is easy to read…