Rails3: Is there a server-side analytics?

Is there a server-side analytics for Rails?

开发者_开发百科

Thanks

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Have you tried Newrelic: http://newrelic.com/

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NewRelic - real-time monitoring of Rails, DB, Memcache, Background taks

Cacti / Nagious - monitoring CPU, LA, RAM, IO, NET over SNMP

updated I'd like to suggest you the video discussion by Mark Imbriaco (37signals admin)

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There was one a year ago called Weed-3 but I do not believe there is any that work with Rails 3 currently.