We are considering substituting the Google Analytics with Piwik. We have around 7 million page views daily with ambitions to go over 10 millions per day. Is piwik able to scale that large? Are there any installations up in the wild which are handling such load? What is the hardware configuration needed in such cases?
If there is no one having such high traffic numbers then does anyone can say (at least theoretically) if Piwik is able to handle such case?