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### What is this PR for? Upgrade the Dockerfiles of spark_standalone and spark_yarn_cluster to CentOS7 and Spark 2.4.0. Java remains in version 7 since hadoop 2.x depends on Java7. ### What type of PR is it? Improvement ### What is the Jira issue? * [ZEPPELIN-3944](https://issues.apache.org/jira/browse/ZEPPELIN-3944) ### How should this be tested? * Follow the instructions here: [spark-standalone](https://zeppelin.apache.org/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode) and [spark-yarn-cluster](https://zeppelin.apache.org/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No * Update spark_standalone Dockerfile * update yarn dockerfile * back to java 7 since hadoop 2.x depends on java 7 * back to java7 hadoop 2.x depends on java 7 * change the path to /xxx/.../jre-1.7.0-openjdk |
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| .. | ||
| cdh/hdfs_conf | ||
| spark_mesos | ||
| spark_standalone | ||
| spark_yarn_cluster | ||