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.

Category Remove /category/ from category (archive) page URLs (without using a plugin)
Remove /category/ from category (archive) page URLs (without using a plugin)
How do I remove category names from URL? How do I remove category categories from WordPress URL? How do I remove a product category base? How do I rem...
Search Add Ajax search to Astra theme [closed]
Add Ajax search to Astra theme [closed]
Enabling The Search Icon At Header Login to Dashboard. Navigate to Appearance -> Customize link. Click on Layout -> Header -> Primary Header....
Thumbnails How to get Regenerate Thumbnails plugin to make larger plugins than original? [closed]
How to get Regenerate Thumbnails plugin to make larger plugins than original? [closed]
How do I resize a thumbnail in WordPress? Which plugin is used to regenerate thumbnails? What does force regenerate thumbnails do? Why are my thumbnai...