This I believe, is in correlation to the following bug Link which was corrected in specific versions of Tez. If you are running Interactive query HDInsight in Azure, they are still using Tez .7.0 (not fixed). I did however, find this blog post that explains how to at least stop the queries from running. As far as I can tell, Tez will still show them as running, but it does free up your resources again. Edit: the follow up link is probably helpful 🙂 Fix ... View more