http://doc.powerdns.com/performance-settings.html reads "Logging truly kills performance as answering a question from the cache is an order of magnitude less work than logging a line about it. Busy sites will prefer to turn log-dns-details and log-failed-updates off."
Have you tried setting those to off? log-dns-details=no log-failed-updates=no Stefan -- "I'm not right wing - i believe in global warming." - from "Outfoxed - Rupert Murdoch's War on Journalism", Documentary -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]