Amazon outage started small, snowballed into 12-hour event

This article in Network World details the 12 hour outage AWS recently experience. This goes to show how important end user experience monitoring is. You need to track 100% of user transactions which allows you to stop performance issues before they become systemic:

Amazon Web Services has almost fully recovered from a more than 12-hour event that appears to have started by only impacting a small number of customers but quickly snowballed into a larger issue that took down major sites including Reddit, Imgur and others yesterday.

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