I started a little project: http://FriendOrFollow.com. It's a small project, that's really started getting a lot of traffic.
The issue I'm having is, it works great with < 1 user request per minute (avg 5 Twitter API requests per user). However, when I get a large spike in traffic, I start getting "HTTP/1.1 400 Bad Request" errors when I try to pull XML API data. PHP Warning: file(http://twitter.com/statuses/friends/bob.xml?page=2) [<a href='function.file'>function.file</a>]: failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request\r, referer: http://FriendOrFollow.com/ I'm wondering if this is an issue of my server running out of allocated PHP memory, perhaps a limit in PHP to the amount of requests I can make at once, or if the Twitter API is just saying "enough" if I make that many requests at once. It could be my code, but it works fine at < 1 user per minute. It's not a CPU limit. I'm on Media Temple and my GPU usage is modest. I cache each user's results for 12 hours. These are new unique users trying to get through at the same time. Here's the code I use to retrieve the data: $url = "http://twitter.com/statuses/friends/"; . $userName . ".xml? page=" . $page; $xml = implode("", file($url)); Does anyone have any hints / recommendations on what I should look into? Thanks! Dusty
