Convert MyISAM to InnoDB

Problem: WooCommerce Checkout page’s processing speed is REALLY slow (45-120 seconds to complete a transaction –> from after clicking Place Order button on Checkout page until /order-received/ Thank You page loads). After researching, the biggest culprit is the MySQL wp_postmeta table. Which has ~1 million rows. Solution: Add Keys (INDEXes) to particular tables like the…