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From "Brock Noland (JIRA)" <>
Subject [jira] [Commented] (HIVE-5263) Query Plan cloning time could be improved by using Kryo
Date Thu, 12 Sep 2013 05:17:53 GMT


Brock Noland commented on HIVE-5263:

That'd be great. Also TestSequenceFileReadWrite passes locally with the patch. Indeed org.apache.hcatalog.mapreduce.TestSequenceFileReadWrite,
this test's clone passed in the ptest run above.
> Query Plan  cloning time could be improved by using Kryo
> --------------------------------------------------------
>                 Key: HIVE-5263
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Brock Noland
>            Assignee: Brock Noland
>         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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