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Special Device Help Prevent Suddent Infant Death

Special Device Help Prevent Suddent Infant Death

Researchers from Germany's Fraunhofer Institute for Reliability and Microintegration IZM in Berlin has developed a new breathing sensor system that help prevent Sudden Infant Death Syndrome (SIDS). This syst...

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University Installs Grass Lawn in School Library

University Installs Grass Lawn in School Library

Cornell University has built a grass lawn inside their school library as a part of a project of their institution's Department of Design and Environmental Analysis. The department is currently conducting a r...

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Wash Your Clothes in a Portable Washing Machine [Video]

Wash Your Clothes in a Portable Washing Machine [Video]

Meet, the Scrubba, a portable washing machine, in form of a bag. This wash bag, allows people to do their laundry, on-the-go. The Scrubba is a lightweight, foldable bag that features small nodules to help sc...

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Fart-Deodorizing Underwear Sold in Japan

Fart-Deodorizing Underwear Sold in Japan

Thanks to Japan's new invention, the Deoest underwear, extreme farters can now release their foul smelling gas and prevent people near them from fainting. It is a fart-deodorizing underwear, created by Profe...

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Facebook’s “Worst Outage in Over Four Years”

Written on September 26, 2010 by Japhet Writ

1 person

One social networking site and 500 million friends later, Facebook got the gigantic downtown of its life yesterday morning. Read on to see the post-mortem report from the network's Software Engineering department.

Earlier yesterday, the Facebook network experienced a downtime that began at around 11:30 am PST. According to Facebook Software Engineering Director, Robert Johnson, the downtime was caused by a mis-handled error condition.

Such instance involves and automated system, designed to verify configuration values in the cache. Meaning, every single client saw an invalid value and attempted to fix it. Due to this, with the fix involving a query to a cluster of databases, the database cluster was overwhelmed. Even worse, after the real flaw has been solved, the stream of queries goes on as it is interpreted the configuration as an invalid value.

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