Removed custom Java installation and added some option to spark-submit

Author: Vladimir Kichaev

.github/workflows/build.yml

@@ -50,14 +50,8 @@ jobs:
           curl -OL https://archive.apache.org/dist/hadoop/core/hadoop-${HADOOP_VERSION}/hadoop-${HADOOP_VERSION}.tar.gz
           tar -xzf hadoop-${HADOOP_VERSION}.tar.gz
 
-      - name: Install Java
-        uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: '8'
-
       - name: Run tests
         run: |
           export SPARK_DIST_CLASSPATH=$PWD/slf4j-api-${SFL4J_VERSION}.jar:$(hadoop-${HADOOP_VERSION}/bin/hadoop classpath)
           export PATH="$PWD/spark-${SPARK_VERSION}-bin-without-hadoop/bin:$PATH"
-          spark-submit -v --packages com.amazonaws:aws-java-sdk:1.11.920,org.apache.hadoop:hadoop-aws:2.8.4 bazel-bin/apps/hello/sparkle-example-hello_deploy.jar
+          spark-submit -v --executor-cores 1 --packages com.amazonaws:aws-java-sdk:1.11.920,org.apache.hadoop:hadoop-aws:2.8.4 bazel-bin/apps/hello/sparkle-example-hello_deploy.jar