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November 17–November 20, 2020
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Thursday, November 19 • 3:45pm - 4:20pm
Kubernetes CronJobs - Does Anyone Actually Use This [in Production]? - Kevin Yang, Lyft

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Considering CronJob? Think again! CronJobs sound great on paper–a higher-order API built on the bread and butter of K8s that automates fault tolerance, orchestration, etc., for distributed, repetitive tasks. On top of that, you benefit from efficient resource usage when your cron is idle. Who wouldn't want that? At Lyft, we run hundreds of CronJobs on our platform; however, the road to get there was not easy. In this talk, Kevin will dive deep into the guts of CronJobs, discuss subtle issues like how the control-plane can get bogged down at scale, and share how we addressed these problems in our K8s stack (including forking and patching Kubernetes itself!). You will leave with a better understanding of the trade-offs of CronJob and what features to look for in a cron solution to make your developers (and you) happy.
Speakers
avatar for Kevin Yang

Kevin Yang

Software Engineer, Lyft
Kevin is a Software Engineer at Lyft where he works on building out Lyft’s Compute platform based on Kubernetes. When he isn’t furiously typing “kubectl get pods” at his terminal for the 10000th time, Kevin enjoys biking, rock climbing, and fiddling with his vimrc.

Kubernetes CronJobs Does Anyone Actually Use This pdf
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Thursday November 19, 2020 3:45pm - 4:20pm EST
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