Erik Darling tries to figure out why his locks can’t get ahead in the rat race:
The first thing I found is that there were 16 attempts at promotion, and four successful promotions.
Why did this seem weird? I dunno.
Why would there be only 4 successful attempts with no competing locks from other queries?
Why wouldn’t all 16 get promotions?
Find out the answer to this and much, much more if you click the link.