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https://issues.apache.org/jira/browse/HIVE-1430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12894253#action_12894253
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Joydeep Sen Sarma commented on HIVE-1430:
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hey - so i am a little puzzled by this change:
- Zheng had added serialize/deserialize of the plan to make sure it got tested.
wasn't a bad idea.
- i had added this option to the build file so that serialize would actually
run during the tests (and not outside of tests)
- note that this property is not set outside of test environment. so
serialize/deserialize of plan would not have been happening during regular use
of hive
so not sure to me why we are making this change (are we concerned about
memory/cpu usage during testing)? unless i am missing something major - this
has no impact on memory/cpu of regular hive client.
> serializing/deserializing the query plan is useless and expensive
> -----------------------------------------------------------------
>
> Key: HIVE-1430
> URL: https://issues.apache.org/jira/browse/HIVE-1430
> Project: Hadoop Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Ning Zhang
> Fix For: 0.7.0
>
> Attachments: HIVE-1430.patch
>
>
> We should turn it off by default
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