[user5994461]

So to answer the original question: Nope, doesn't work.

(Quick test: if you're counting page views in millions per day, you're gonna have a tough time).

[mattab]

Piwik does scale to millions of pages per month. We've managed installs of Piwik at _1 billion_ pages per month that's 30 million per day! Don't believe what you read on Hacker News ;-)