Troubleshooting “silent failures” in an OpenStack cloud environment has been a tough problem to solve for many production users. eBay’s chief engineer of cloud, Subbu Allamaraju, whose team has been operating PayPal on an OpenStack-based private cloud since March 2015, has publicly defined one of his ongoing challenges as: “Too much noise, too many alerts, and still working on how to detect troubles before customers find out.”

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