Downtime

GitHub: Outage Caused by Failover Snafu

The open source code repository GitHub experienced an extended outage last Saturday, which the site now attributes to failover sequences that triggered high levels of activity for network switches and file servers. Read More

The Year in Downtime: Top 10 Outages of 2012

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The major downtime incidents of 2012 illustrate the range of causes of outages – major disasters, equipment failures, software behaving badly, undetected Leap Year date issues, and human error. Each incident caused some pain for customers and end users, but also offered the opportunity to learn lessons that will make data centers and applications more reliable. Read More

Why Does Gmail Go Down?

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There have been a number of Gmail outages over the years, usually involving software updates or networking issues. Here’s a look at these outages, and what they may tell us about today’s issues. Read More

Syria Experiencing Internet Blackout

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The country of Syria is almost completely cut off from the Internet, according to leading monitoring services. “In the global routing table, all 84 of Syria’s IP address blocks have become unreachable, effectively removing the country from the Internet,” Renesys reported. Read More

As Mobile Shopping Surges, Response Times Suffer

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Holiday retail sales were strong on the holiday kickoff weekend, but as mobile traffic surged on Cyber Monday, mobile sites and apps slowed down. It appears that while retail sites were prepared for the traffic, many retailers failed to test mobile services vigorously. Read More

Additional Downtime Articles