Leap Second Bug
The 2012 Leap Second Bug refers to computer glitches and outages resulting from the leap second that added an extra second to June 30th, 2012 in order to keep atomic clocks in line with the planet Earth. An extra second is periodically added to the Coordinated Universal Time (UTC) in order to compensate for Earth's inconstant speed of rotation.
A leap second was added to the Coordinated Universal Time at the end of the day on June 30th, and it contributed to numerous outages that were caused by leap second bugs in the kernel of Linux-based operating systems and also in some Java apps. Companies with servers impacted by the Leap Second Bug included Mozilla, Reddit, LinkedIn, StumbleUpon, Gawker, FourSquare, Yelp and several airlines running the Amadeus Altea airline reservation system.
Other companies such as Google have attempted to prevent any leap second bugs from impacting their servers by gradually adding milliseconds to their systems' clocks prior to the officially recognized addition of a leap second.
From secure messaging to document editing, our top free must-have apps have been rated, reviewed and named the best free Android apps of 2015. Read More »The Five Generations of Computers
Learn about each of the five generations of computers and major technology developments that have led to the current devices that we use today. Read More »Cloud Computing Market Leaders, 2015
If not for AWS, Microsoft would dominate the cloud. The race to capture market share will grow ever more fierce in the years ahead. Here's a look... Read More »
From wacky alarm clocks to lecture hall tools and after class entertainment, these Android apps are a good fit for a student's life and budget. Read More »Network Fundamentals Study Guide
A network is a group of two or more computer systems or devices, linked together to share resources, exchange files and electronic communications.... Read More »Computer Architecture Study Guide
This Webopedia study guide describes the different parts of a computer system and their relations. Read More »
Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia. Join to subscribe now.
- Watch Datamation's editor James Maguire moderate roundtable discussions with tech experts from companies such as Accenture, Dell, Blue Jeans Network, Microsoft and more »