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For webscale data centers running hundreds of thousands of servers, one of the issues is maintaining good visibility on the workings of those servers. Faced with this problem a Facebook engineer has developed heat-map software to quickly pinpoint problems in the social network’s data centers. In his blog entry on the topic Sean Lynch, who works in Facebook’s cache performance team, writes that “on a 30 inch screen we could easily fit 10,000 hosts at the same time, with 30 or more stats contributing to their color, updated in real time.” This type of software has real potential to reduce energy consumption by helping engineers figure out which servers aren’t functioning optimally and putting that data in an easy to visualize system. IDG reports that Facebook is considering releasing the program as open source as it often does as part of its Open Compute Project.

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Adam Lesser

Cleantech Curator Gigaom Research

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