[GitHub] [spark] HyukjinKwon commented on a change in pull request #30391: [SPARK-33464][INFRA] Add/remove (un)necessary cache and restructure GitHub Actions yaml

[GitBox]

HyukjinKwon commented on a change in pull request #30391:
URL: https://github.com/apache/spark/pull/30391#discussion_r526037235



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File path: .github/workflows/build_and_test.yml
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@@ -433,11 +407,32 @@ jobs:
         key: scala-213-coursier-${{ hashFiles('**/pom.xml', '**/plugins.sbt') 
}}
         restore-keys: |
           scala-213-coursier-
-    - name: Install Java 11
+    - name: Install Java 8
       uses: actions/setup-java@v1
       with:
-        java-version: 11
+        java-version: 8
     - name: Build with SBT
       run: |
         ./dev/change-scala-version.sh 2.13
         ./build/sbt -Pyarn -Pmesos -Pkubernetes -Phive -Phive-thriftserver 
-Phadoop-cloud -Pkinesis-asl -Djava.version=11 -Pscala-2.13 compile test:compile
+

Review comment:
       @mridulm, oh but if there's any of them fails, it shows a clear X like
   
   ![Screen Shot 2020-11-18 at 9 07 02 
PM](https://user-images.githubusercontent.com/6477701/99528700-077e5680-29e2-11eb-9769-f27b414657da.png)
   
   So it should be fine. I do believe reviewers check the X or test failures 
from Jenkins before merging it in :-). Actually, Java 11 and Scala 2.13 too. PR 
builder does not run them as well.




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