[GitHub] [spark] dbtsai commented on a change in pull request #23932: [SPARK-27026] [Build] Upgrade Docker image for release build to Ubuntu 18.04LTS

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dbtsai commented on a change in pull request #23932: [SPARK-27026] [Build] Upgrade Docker image for release build to Ubuntu 18.04LTS
URL: https://github.com/apache/spark/pull/23932#discussion_r261925423
 
 

 ##########
 File path: dev/create-release/spark-rm/Dockerfile
 ##########
 @@ -15,16 +15,20 @@
 # limitations under the License.
 #
 
-# Image for building Spark releases. Based on Ubuntu 16.04.
+# Image for building Spark releases. Based on Ubuntu 18.04.
 #
 # Includes:
 # * Java 8
 # * Ivy
-# * Python/PyPandoc (2.7.12/3.5.2)
-# * R-base/R-base-dev (3.3.2+)
+# * Python/PyPandoc (2.7.15/3.6.7)
+# * R-base/R-base-dev (3.5.0+)
 
 Review comment:
   In Ubuntu 18.04LTS, R 3.3 is no longer supported. Only R 3.5 is supported.

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