Could

Can I split a huge wp_postmeta table across different databases or servers?

Can I split a huge wp_postmeta table across different databases or servers?

No. This is not practically possible primarily because there is no single interface to this table where you could implement the functionality you need, and even if you could, it would introduce some extremely gnarly problems.

Custom Woocommerce products search with custom fields
Woocommerce products search with custom fields
How do I add custom fields to WooCommerce products? How do I create a product search page? How do I add an advanced custom field in WooCommerce? How d...
Bootstrap How to install Bootstrap in a WordPress child theme
How to install Bootstrap in a WordPress child theme
How do I add bootstrap to my WordPress theme? How do I add bootstrap 4 to my WordPress theme? How do I use Bootstrap CDN in WordPress? How do I conver...
Attachment How can i set media attachments to the author of the post or page for already existed posts with attachments
How can i set media attachments to the author of the post or page for already existed posts with attachments
How do I change the attachment page in WordPress? What is attachment sitemap? What is a media attachment? What are attachment URLs? What is the attach...