Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/21366#discussion_r191061877 --- Diff: pom.xml --- @@ -760,6 +760,12 @@ <version>1.10.19</version> <scope>test</scope> </dependency> + <dependency> --- End diff -- I think I'm a bit concerned adding rxjava to the top level pom and to dev/deps/spark-deps-hadoop-* can it be just a `<arrow.version>0.8.0</arrow.version>` thing and not a dependency? it might possibly conflict with calling Spark from the Reactive Stream stack? @skonto what do you think?
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