Hi, In D6, after all caches are cleared, or after a lot of them expire and get emptied by cron, the server load spikes seriously because all such caches need to be re-populated. Since this happens more and more on sites I work on, I have been thinking about using another approach in my modules, in the sense that caches would be *refreshed* rather than cleared and re-populated. Each cache refresh would run depending on e.g. a simple variable storing last time stamp of any other cache refresh. This would assure that a) all cached values would be available at all times, b) caches would never be re-calculated all at the (near) same time. I am about to write logic for this, but wanted to first check with others in the list -- perhaps some of you know or can point to an elegant solution that already exists. Thanks! vacilando