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https://issues.apache.org/jira/browse/HIVE-12734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16184590#comment-16184590
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Mithun Radhakrishnan commented on HIVE-12734:
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+1. The failing tests are known failures, and tracked elsewhere. I'll check
this in, after HIVE-17621.
> Remove redundancy in HiveConfs serialized to UDFContext
> -------------------------------------------------------
>
> Key: HIVE-12734
> URL: https://issues.apache.org/jira/browse/HIVE-12734
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.2.1, 2.0.0, 2.2.0, 3.0.0
> Reporter: Mithun Radhakrishnan
> Assignee: Chris Drome
> Attachments: HIVE-12734.1.patch
>
>
> {{HCatLoader}} lands up serializing one {{HiveConf}} instance per
> table-alias, to Pig's {{UDFContext}}. This lands up bloating the
> {{UDFContext}}.
> To reduce the footprint, it makes sense to serialize a default-constructed
> {{HiveConf}} once, and one "diff" per {{HCatLoader}}. This should reduce the
> time taken to kick off jobs from {{pig -useHCatalog}} scripts.
> (Note_to_self: YHIVE-540).
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