I use Godaddy's Managed Wordpress basic plan with UpdraftPlus backup plugin. Recently, I have encountered an error:
Warning: Table wp_3b9sa7vf3n_postmeta has very many rows (224142) - we hope your web hosting company gives you enough resources to dump out that table in the backup If not, you will need to either remove data from this table, or contact your hosting company to request more resources.
From searching, I found a solution:
"you could ask the server admin where the “mysqldump” binary is found on your webserver, and add a line in your wp-config.php identifying the location: