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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2019/03/23 02:49:00 UTC

[jira] [Commented] (HIVE-21305) LLAP: Option to skip cache for ETL queries

    [ https://issues.apache.org/jira/browse/HIVE-21305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16799507#comment-16799507 ] 

Prasanth Jayachandran commented on HIVE-21305:
----------------------------------------------

[~gopalv] can you please take a look?

> LLAP: Option to skip cache for ETL queries
> ------------------------------------------
>
>                 Key: HIVE-21305
>                 URL: https://issues.apache.org/jira/browse/HIVE-21305
>             Project: Hive
>          Issue Type: Improvement
>          Components: llap
>    Affects Versions: 4.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-21305.1.patch
>
>
> To avoid ETL queries from polluting the cache, would be good to detect such queries at compile time and optional skip llap io for such queries. 
> org.apache.hadoop.hive.ql.parse.QBParseInfo.hasInsertTables() is the simplest way  to catch ETL queries.



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