Is it possible?

1. the page is cached in the 1st time it is accessed
2. the page cache is stored as long as necessary
3. the page cache is recalculated only at the moment
3.1. One new record (for the homepage)
3.2. Edit the page
3.2. One new comment (this I know how to do)

https://ww.wp.xz.cn/plugins/wp-super-cache/