Github user mccheah commented on a diff in the pull request: https://github.com/apache/spark/pull/21366#discussion_r189642632 --- Diff: pom.xml --- @@ -150,6 +150,7 @@ <!-- org.apache.httpcomponents/httpclient--> <commons.httpclient.version>4.5.4</commons.httpclient.version> <commons.httpcore.version>4.4.8</commons.httpcore.version> + <trove.version>3.0.1</trove.version> --- End diff -- These are data structures optimized for storing primitives. We could use standard Scala here functionally speaking.
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