Facebook is releasing mcrouter, its software for turning many cache servers around the world into one distributed system, as open source.

The company announced the release on Monday at its @Scale conference in San Francisco, where it also launched a new open-source project called TODO (Talk Openly, Develop Openly) to make it easier for organizations to use open-source software.

By offering mcrouter as open source, under a BSD (Berkeley Source Distribution) license, Facebook is making the tool available to more users. Facebook is already using it to handle traffic involving thousands of cache servers at the company’s data centers around the world, and recent Facebook acquisition Instagram used it on AWS (Amazon Web Services) before switching over to its new parent company’s infrastructure, Facebook engineer Rajesh Nishtala said at the conference.

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