A Storm of Servers: How the Leap Second Led Facebook to Build DCIM Tools

fb-lulea-fullracksASHBURN, Va. – For data centers filled with thousands of servers, it’s a nightmare scenario: a huge, sudden power spike as CPU usage soars on every server. Last July 1, that scenario became real as the “Leap Second” bug caused many Linux servers to get stuck in a loop, endlessly checking the date and time. At the Internet’s busiest data centers, power usage almost instantly spiked by megawatts, stress-testing the facility’s power load and the user’s capacity planning.

http://www.datacenterknowledge.com/archives/2013/08/06/server-storm/

Posted on 06/08/2013, in Data Center, DCIM. Bookmark the permalink. Leave a comment.

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