Hi Feng, You can also refer the below links wherein the spark users have tried to resolve this issue by making changes in the configuration. This might help you.
https://stackoverflow.com/questions/28901123/why-do-spark-jobs-fail-with-org-apache-spark-shuffle-metadatafetchfailedexceptio https://stackoverflow.com/questions/29850784/what-are-the-likely-causes-of-org-apache-spark-shuffle-metadatafetchfailedexcept Regards Manish Gupta -- Sent from: http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/
