This is a command-line option for the
mysqld commands (arg: Required).
- In 10.5 ES, 10.5 CS, 10.4 ES, 10.3 ES:
This characterizes the number of hits a hot block has to be untouched until it is considered aged enough to be downgraded to a warm block. This specifies the percentage ratio of that number of hits to the total number of blocks in the page cache.
- In 10.4 CS, 10.3 CS, 10.2 ES, 10.2 CS: