@rpul DCE has significant drawbacks. YARN-3611 is the umbrella JIRA for a new mechanism of docker integration on YARN. This mechanism can be used on a kerberized cluster (it does add some requirements for the images being used - the user account needs to be available in the image as well, for example). ... View more

Docker container executor was released as an alpha/tech preview feature as part of 2.2 and is not recommended for use - it has several key drawbacks that make it unsuitable for most real deployments. We took a different approach w.r.t docker integration - the patches for which were recently committed upstream in apache (see YARN-3611 for more details) ... View more