A search at searchyc.com turned up: "There's a background process that runs every 45 seconds and picks a random loaded user to update the average of. Empirical

A search at searchyc.com turned up: "There's a background process that runs every 45 seconds and picks a random loaded user to update the average of. Empirically, not more than every couple days, at best." http://news.ycombinator.com/item?id=1875738 http://news.ycombinator.com/item?id=1875738