YCSB Is Obsolete, We Need New Benchmarks

Let&rsquo;s build a simulation of a coffeeshop. We&rsquo;ll have some resources, like baristas and espresso machines. As soon as the shop opens, a fixed number of patrons—maybe ten—all line up for coffee. Whenever a patron receives her coffee, she throws it away and instantly returns to the back of the line. If the barista is slow, that&rsquo;s okay: the line never grows longer than ten people. A…