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https://issues.apache.org/jira/browse/HIVE-5263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13765447#comment-13765447
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Brock Noland commented on HIVE-5263:
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Thanks guys!! I think HIVE-4396 is the right jira to work on kryo.copy().
> Query Plan cloning time could be improved by using Kryo
> --------------------------------------------------------
>
> Key: HIVE-5263
> URL: https://issues.apache.org/jira/browse/HIVE-5263
> Project: Hive
> Issue Type: Improvement
> Reporter: Brock Noland
> Assignee: Brock Noland
> Fix For: 0.13.0
>
> Attachments: HIVE-5263.patch, HIVE-5263.patch, HIVE-5263.patch
>
>
> In HIVE-1511 we implemented Kryo for serialization but did not use for query
> plan cloning. As was discussed there it's a possible speed improvement. In
> addition the current XML serialization method does not work with Java 7 so
> using Kryo is a workaround for this issue.
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