Facebook reveals elaborate phone-testing process for thousands of weekly code updates

Facebook on Wednesday unveiled insights into how it tests new code on thousands of mobile devices at an until-now secret lab in its Prineville, Ore., data center.

The social networking company also said it plans to open source the hardware design used in its custom mobile device testing rack as well as its Chef software. which is  used to control smartphones and other devices for the testing operation.

In a lengthy blog post, Facebook production engineer Antoine Reversat laid out how the testing lab helps engineers monitor the way thousands of code changes each week can affect a smartphone’s memory, data or battery usage.

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