<i>Ask HN/PG: How often does karma average get updated?</i><p><i>6 points by pg 6 days ago<p>I don't know. 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.</i><p><a href="http://news.ycombinator.com/item?id=1875635" rel="nofollow">http://news.ycombinator.com/item?id=1875635</a>