Hi all,
PR: https://github.com/apache/spark/pull/14118 JIRAs https://issues.apache.org/jira/browse/SPARK-17290 https://issues.apache.org/jira/browse/SPARK-16903 https://issues.apache.org/jira/browse/SPARK-16462 https://issues.apache.org/jira/browse/SPARK-16460 https://issues.apache.org/jira/browse/SPARK-15144 It seems this is not critical but the duplicated issues are being opened due to this. Also, it seems many users are affected by this. I hope this email make some interests for reviewers. Thanks.
