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Changes between Initial Version and Version 1 of Ticket #35096, comment 4

initial	v1
1		The conditions are not obvious. As noted in the other ticket they are also hard to script because of the `WP_INSTALLING` flag. I believe it has to do with the size of options object growing beyond the limits of Object-Cache backends. When the set fails, there's no fallback to a memory cache. The default object size of e.g. memcached is 1M and its very common for plugins to accidentally add autoloading options (~~https://core.trac.wordpress.org/ticket/~~18244) so you could see the options table growing beyond this size in many situations on the large multisite installs affected by this bug.
	1	The conditions are not obvious. As noted in the other ticket they are also hard to script because of the `WP_INSTALLING` flag. I believe it has to do with the size of options object growing beyond the limits of Object-Cache backends. When the set fails, there's no fallback to a memory cache. The default object size of e.g. memcached is 1M and its very common for plugins to accidentally add autoloading options (#18244) so you could see the options table growing beyond this size in many situations on the large multisite installs affected by this bug.