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https://issues.apache.org/jira/browse/HIVE-11553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14938178#comment-14938178
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Prasanth Jayachandran commented on HIVE-11553:
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[~sershe] Who is creating read-only ByteBuffer? Why not create a writeable BB 
and pass around to avoid reflect/copy? I don't see the hashmap being 
initialized with size in your latest patch. Otherwise, +1. Pending tests. You 
may have to rebase the patch.

> use basic file metadata cache in ETLSplitStrategy-related paths
> ---------------------------------------------------------------
>
>                 Key: HIVE-11553
>                 URL: https://issues.apache.org/jira/browse/HIVE-11553
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-11553.01.patch, HIVE-11553.02.patch, 
> HIVE-11553.03.patch, HIVE-11553.04.patch, HIVE-11553.patch
>
>
> This is the first step; uses the simple footer-getting API, without PPD.



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