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Review request for hive, Brock Noland and Xuefu Zhang. Bugs: HIVE-9781 https://issues.apache.org/jira/browse/HIVE-9781 Repository: hive-git Description ------- Now, Spark RSC can use setting spark.kryo.classesToRegister. Reference checking is still needed since there are loops. Diffs ----- ql/src/java/org/apache/hadoop/hive/ql/exec/spark/KryoSerializer.java 76a4fd1 ql/src/java/org/apache/hadoop/hive/ql/exec/spark/RemoteHiveSparkClient.java f1d65ea Diff: https://reviews.apache.org/r/31452/diff/ Testing ------- Tested it on a yarn cluster with spark.kryo.classesToRegister set. Thanks, Jimmy Xiang