test PR #498 (take 2) (#502)

Author: yifeih

.circleci/config.yml

@@ -473,7 +473,7 @@ jobs:
       - *restore-build-binaries-cache
       - *restore-home-sbt-cache
       - run:
-          command: ./dev/run-spark-25299-benchmarks.sh
+          command: ./dev/run-spark-25299-benchmarks.sh -u
       - store_artifacts:
           path: /tmp/artifacts/