>> Now that's a new (and important!) piece of information. Your server >> runs slow for 10 *minutes* after your script has made its request? >> >> To me, that indicates that important data wound up getting swapped to >> disk on the server, and the slow behavior reported by other users is >> the result of that data being swapped back in on-demand. >> >> That also indicates that your script's requests (and, possibly, >> request pattern) cause some process in the server to allocate far more >> memory than usual, which is why the server is swapping things to disk.
OK, thank you for the explanation. That does make sense. > I agree. My rule of thumb was always that I must prevent Apache swapping > at all costs as the performance impact is horrific. > > It doesn't have to mean installing more RAM (which is quick, easy, cheap > and often rather effective), sensible optimizations can work wonders > too, as can nginx as a proxy in front of Apache. I've been using net-mail/up-imapproxy but the initscript has issues. Is nginx good for IMAP too? - Grant
