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.

Codes Basic CPT Question About Categories
Basic CPT Question About Categories
What are the 3 categories of CPT codes? What types of procedures or services are included in each of the CPT code categories? What are Category I CPT ...
Closed post sub title and name not appearing in the post? [closed]
post sub title and name not appearing in the post? [closed]
Is there a difference between subtitles and closed captions? Why are captions closed? What is the difference between open and closed captions? How do ...
Screen Blank Blog Screen [closed]
Blank Blog Screen [closed]
Why is my WordPress blog page blank? How do I fix my blank page on WordPress? Why is my website showing a blank page? What is WordPress white screen o...